diff --git a/tests/baselines/reference/await_unaryExpression_es2017_1.errors.txt b/tests/baselines/reference/await_unaryExpression_es2017_1.errors.txt
new file mode 100644
index 00000000000..60e786cbad1
--- /dev/null
+++ b/tests/baselines/reference/await_unaryExpression_es2017_1.errors.txt
@@ -0,0 +1,29 @@
+tests/cases/conformance/async/es2017/await_unaryExpression_es2017_1.ts(7,12): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/async/es2017/await_unaryExpression_es2017_1.ts(11,12): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/async/es2017/await_unaryExpression_es2017_1.ts (2 errors) ====
+    
+    async function bar() {
+        !await 42; // OK
+    }
+    
+    async function bar1() {
+        delete await 42; // OK
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar2() {
+        delete await 42; // OK
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar3() {
+        void await 42;
+    }
+    
+    async function bar4() {
+        +await 42;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/await_unaryExpression_es2017_2.errors.txt b/tests/baselines/reference/await_unaryExpression_es2017_2.errors.txt
new file mode 100644
index 00000000000..1c1072fd86c
--- /dev/null
+++ b/tests/baselines/reference/await_unaryExpression_es2017_2.errors.txt
@@ -0,0 +1,21 @@
+tests/cases/conformance/async/es2017/await_unaryExpression_es2017_2.ts(3,12): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/async/es2017/await_unaryExpression_es2017_2.ts(7,12): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/async/es2017/await_unaryExpression_es2017_2.ts (2 errors) ====
+    
+    async function bar1() {
+        delete await 42;
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar2() {
+        delete await 42;
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar3() {
+        void await 42;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/await_unaryExpression_es6_1.errors.txt b/tests/baselines/reference/await_unaryExpression_es6_1.errors.txt
new file mode 100644
index 00000000000..90bd23b7597
--- /dev/null
+++ b/tests/baselines/reference/await_unaryExpression_es6_1.errors.txt
@@ -0,0 +1,29 @@
+tests/cases/conformance/async/es6/await_unaryExpression_es6_1.ts(7,12): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/async/es6/await_unaryExpression_es6_1.ts(11,12): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/async/es6/await_unaryExpression_es6_1.ts (2 errors) ====
+    
+    async function bar() {
+        !await 42; // OK
+    }
+    
+    async function bar1() {
+        delete await 42; // OK
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar2() {
+        delete await 42; // OK
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar3() {
+        void await 42;
+    }
+    
+    async function bar4() {
+        +await 42;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/await_unaryExpression_es6_2.errors.txt b/tests/baselines/reference/await_unaryExpression_es6_2.errors.txt
new file mode 100644
index 00000000000..9386d206eee
--- /dev/null
+++ b/tests/baselines/reference/await_unaryExpression_es6_2.errors.txt
@@ -0,0 +1,21 @@
+tests/cases/conformance/async/es6/await_unaryExpression_es6_2.ts(3,12): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/async/es6/await_unaryExpression_es6_2.ts(7,12): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/async/es6/await_unaryExpression_es6_2.ts (2 errors) ====
+    
+    async function bar1() {
+        delete await 42;
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar2() {
+        delete await 42;
+               ~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    }
+    
+    async function bar3() {
+        void await 42;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/deleteOperatorWithAnyOtherType.errors.txt b/tests/baselines/reference/deleteOperatorWithAnyOtherType.errors.txt
index 73ddab1a33c..d92f1ffb1e7 100644
--- a/tests/baselines/reference/deleteOperatorWithAnyOtherType.errors.txt
+++ b/tests/baselines/reference/deleteOperatorWithAnyOtherType.errors.txt
@@ -1,9 +1,23 @@
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(27,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(28,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(33,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(34,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(42,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(43,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(44,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(45,32): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(45,33): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'undefined'.
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(46,32): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(46,33): error TS2365: Operator '+' cannot be applied to types 'null' and 'null'.
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(47,32): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(47,33): error TS2365: Operator '+' cannot be applied to types 'undefined' and 'undefined'.
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(50,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(51,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(51,39): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts(51,46): error TS2698: The operand of a delete operator must be a property reference
 
 
-==== tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts (3 errors) ====
+==== tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithAnyOtherType.ts (17 errors) ====
     // delete  operator on any type
     
     var ANY: any;
@@ -31,13 +45,21 @@ tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperator
     var ResultIsBoolean1 = delete ANY1;
     var ResultIsBoolean2 = delete ANY2;
     var ResultIsBoolean3 = delete A;
+                                  ~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean4 = delete M;
+                                  ~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean5 = delete obj;
     var ResultIsBoolean6 = delete obj1;
     
     // any type literal
     var ResultIsBoolean7 = delete undefined;
+                                  ~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean8 = delete null;
+                                  ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     
     // any type expressions
     var ResultIsBoolean9 = delete ANY2[0];
@@ -46,21 +68,41 @@ tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperator
     var ResultIsBoolean12 = delete objA.a;
     var ResultIsBoolean13 = delete M.n;
     var ResultIsBoolean14 = delete foo();
+                                   ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean15 = delete A.foo();
+                                   ~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean16 = delete (ANY + ANY1);
+                                   ~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean17 = delete (null + undefined);
+                                   ~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
                                     ~~~~~~~~~~~~~~~~
 !!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'undefined'.
     var ResultIsBoolean18 = delete (null + null);
+                                   ~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
                                     ~~~~~~~~~~~
 !!! error TS2365: Operator '+' cannot be applied to types 'null' and 'null'.
     var ResultIsBoolean19 = delete (undefined + undefined);
+                                   ~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
                                     ~~~~~~~~~~~~~~~~~~~~~
 !!! error TS2365: Operator '+' cannot be applied to types 'undefined' and 'undefined'.
     
     // multiple delete  operators
     var ResultIsBoolean20 = delete delete ANY;
+                                   ~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     var ResultIsBoolean21 = delete delete delete (ANY + ANY1);
+                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                          ~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                                 ~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     
     // miss assignment operators
     delete ANY;
diff --git a/tests/baselines/reference/deleteOperatorWithBooleanType.errors.txt b/tests/baselines/reference/deleteOperatorWithBooleanType.errors.txt
new file mode 100644
index 00000000000..3f653671e2e
--- /dev/null
+++ b/tests/baselines/reference/deleteOperatorWithBooleanType.errors.txt
@@ -0,0 +1,65 @@
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(20,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(21,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(26,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(27,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(30,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(33,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(35,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts(36,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithBooleanType.ts (8 errors) ====
+    // delete  operator on boolean type
+    var BOOLEAN: boolean;
+    
+    function foo(): boolean { return true; }
+    
+    class A {
+        public a: boolean;
+        static foo() { return false; }
+    }
+    module M {
+        export var n: boolean;
+    }
+    
+    var objA = new A();
+    
+    // boolean type var
+    var ResultIsBoolean1 = delete BOOLEAN;
+    
+    // boolean type literal
+    var ResultIsBoolean2 = delete true;
+                                  ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean3 = delete { x: true, y: false };
+                                  ~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // boolean type expressions
+    var ResultIsBoolean4 = delete objA.a;
+    var ResultIsBoolean5 = delete M.n;
+    var ResultIsBoolean6 = delete foo();
+                                  ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean7 = delete A.foo();
+                                  ~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // multiple delete  operator
+    var ResultIsBoolean8 = delete delete BOOLEAN;
+                                  ~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // miss assignment operators
+    delete true;
+           ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete BOOLEAN;
+    delete foo();
+           ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete true, false;
+           ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete objA.a;
+    delete M.n;
\ No newline at end of file
diff --git a/tests/baselines/reference/deleteOperatorWithEnumType.errors.txt b/tests/baselines/reference/deleteOperatorWithEnumType.errors.txt
new file mode 100644
index 00000000000..103070d15dc
--- /dev/null
+++ b/tests/baselines/reference/deleteOperatorWithEnumType.errors.txt
@@ -0,0 +1,64 @@
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(7,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(8,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(11,31): error TS2699: The operand of a delete operator cannot be a read-only property
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(12,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(15,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(15,38): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(16,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(16,38): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(16,45): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(19,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(20,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(21,8): error TS2699: The operand of a delete operator cannot be a read-only property
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts(22,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithEnumType.ts (13 errors) ====
+    // delete  operator on enum type
+    
+    enum ENUM { };
+    enum ENUM1 { A, B, "" };
+    
+    // enum type var
+    var ResultIsBoolean1 = delete ENUM;
+                                  ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean2 = delete ENUM1;
+                                  ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // enum type expressions
+    var ResultIsBoolean3 = delete ENUM1["A"];
+                                  ~~~~~~~~~~
+!!! error TS2699: The operand of a delete operator cannot be a read-only property
+    var ResultIsBoolean4 = delete (ENUM[0] + ENUM1["B"]);
+                                  ~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // multiple delete  operators
+    var ResultIsBoolean5 = delete delete ENUM;
+                                  ~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                         ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean6 = delete delete delete (ENUM[0] + ENUM1["B"]);
+                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                                ~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // miss assignment operators
+    delete ENUM;
+           ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete ENUM1;
+           ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete ENUM1.B;
+           ~~~~~~~
+!!! error TS2699: The operand of a delete operator cannot be a read-only property
+    delete ENUM, ENUM1;
+           ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
\ No newline at end of file
diff --git a/tests/baselines/reference/deleteOperatorWithNumberType.errors.txt b/tests/baselines/reference/deleteOperatorWithNumberType.errors.txt
new file mode 100644
index 00000000000..bb35f3338b9
--- /dev/null
+++ b/tests/baselines/reference/deleteOperatorWithNumberType.errors.txt
@@ -0,0 +1,84 @@
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(22,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(23,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(24,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(30,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(31,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(32,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(35,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(36,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(36,39): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(36,46): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(39,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts(42,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithNumberType.ts (12 errors) ====
+    // delete  operator on number type
+    var NUMBER: number;
+    var NUMBER1: number[] = [1, 2];
+    
+    function foo(): number { return 1; }
+    
+    class A {
+        public a: number;
+        static foo() { return 1; }
+    }
+    module M {
+        export var n: number;
+    }
+    
+    var objA = new A();
+    
+    // number type var
+    var ResultIsBoolean1 = delete NUMBER;
+    var ResultIsBoolean2 = delete NUMBER1;
+    
+    // number type literal
+    var ResultIsBoolean3 = delete 1;
+                                  ~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean4 = delete { x: 1, y: 2};
+                                  ~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean5 = delete { x: 1, y: (n: number) => { return n; } };
+                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // number type expressions
+    var ResultIsBoolean6 = delete objA.a;
+    var ResultIsBoolean7 = delete M.n;
+    var ResultIsBoolean8 = delete NUMBER1[0];
+    var ResultIsBoolean9 = delete foo();
+                                  ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean10 = delete A.foo();
+                                   ~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean11 = delete (NUMBER + NUMBER);
+                                   ~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // multiple delete  operator
+    var ResultIsBoolean12 = delete delete NUMBER;
+                                   ~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean13 = delete delete delete (NUMBER + NUMBER);
+                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                          ~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                                 ~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // miss assignment operators
+    delete 1;
+           ~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete NUMBER;
+    delete NUMBER1;
+    delete foo();
+           ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete objA.a;
+    delete M.n;
+    delete objA.a, M.n;
\ No newline at end of file
diff --git a/tests/baselines/reference/deleteOperatorWithStringType.errors.txt b/tests/baselines/reference/deleteOperatorWithStringType.errors.txt
new file mode 100644
index 00000000000..9ffde0a8f97
--- /dev/null
+++ b/tests/baselines/reference/deleteOperatorWithStringType.errors.txt
@@ -0,0 +1,86 @@
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(22,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(23,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(24,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(30,31): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(31,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(32,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(33,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(36,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(37,32): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(37,39): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(37,46): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(40,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts(43,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/expressions/unaryOperators/deleteOperator/deleteOperatorWithStringType.ts (13 errors) ====
+    // delete  operator on string type
+    var STRING: string;
+    var STRING1: string[] = ["", "abc"];
+    
+    function foo(): string { return "abc"; }
+    
+    class A {
+        public a: string;
+        static foo() { return ""; }
+    }
+    module M {
+        export var n: string;
+    }
+    
+    var objA = new A();
+    
+    // string type var
+    var ResultIsBoolean1 = delete STRING;
+    var ResultIsBoolean2 = delete STRING1;
+    
+    // string type literal
+    var ResultIsBoolean3 = delete "";
+                                  ~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean4 = delete { x: "", y: "" };
+                                  ~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean5 = delete { x: "", y: (s: string) => { return s; } };
+                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // string type expressions
+    var ResultIsBoolean6 = delete objA.a;
+    var ResultIsBoolean7 = delete M.n;
+    var ResultIsBoolean8 = delete STRING1[0];
+    var ResultIsBoolean9 = delete foo();
+                                  ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean10 = delete A.foo();
+                                   ~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean11 = delete (STRING + STRING);
+                                   ~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean12 = delete STRING.charAt(0);
+                                   ~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // multiple delete  operator
+    var ResultIsBoolean13 = delete delete STRING;
+                                   ~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    var ResultIsBoolean14 = delete delete delete (STRING + STRING);
+                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                          ~~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+                                                 ~~~~~~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    
+    // miss assignment operators
+    delete "";
+           ~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete STRING;
+    delete STRING1;
+    delete foo();
+           ~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete objA.a,M.n;
\ No newline at end of file
diff --git a/tests/baselines/reference/deleteReadonly.errors.txt b/tests/baselines/reference/deleteReadonly.errors.txt
new file mode 100644
index 00000000000..c0fc3ee7dc3
--- /dev/null
+++ b/tests/baselines/reference/deleteReadonly.errors.txt
@@ -0,0 +1,28 @@
+tests/cases/compiler/deleteReadonly.ts(8,8): error TS2699: The operand of a delete operator cannot be a read-only property
+tests/cases/compiler/deleteReadonly.ts(18,8): error TS2699: The operand of a delete operator cannot be a read-only property
+
+
+==== tests/cases/compiler/deleteReadonly.ts (2 errors) ====
+    interface A {
+      readonly b
+    }
+    var a: A = {
+      b: 123
+    };
+    
+    delete a.b;
+           ~~~
+!!! error TS2699: The operand of a delete operator cannot be a read-only property
+    
+    interface B {
+      readonly [k: string]: string
+    }
+    
+    var b: B = {
+      'test': 'test'
+    };
+    
+    delete b['test'];
+           ~~~~~~~~~
+!!! error TS2699: The operand of a delete operator cannot be a read-only property
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/deleteReadonly.js b/tests/baselines/reference/deleteReadonly.js
new file mode 100644
index 00000000000..fd16bf270f6
--- /dev/null
+++ b/tests/baselines/reference/deleteReadonly.js
@@ -0,0 +1,30 @@
+//// [deleteReadonly.ts]
+interface A {
+  readonly b
+}
+var a: A = {
+  b: 123
+};
+
+delete a.b;
+
+interface B {
+  readonly [k: string]: string
+}
+
+var b: B = {
+  'test': 'test'
+};
+
+delete b['test'];
+
+
+//// [deleteReadonly.js]
+var a = {
+    b: 123
+};
+delete a.b;
+var b = {
+    'test': 'test'
+};
+delete b['test'];
diff --git a/tests/baselines/reference/exponentiationOperatorSyntaxError2.errors.txt b/tests/baselines/reference/exponentiationOperatorSyntaxError2.errors.txt
index 134a883540e..c08335f8598 100644
--- a/tests/baselines/reference/exponentiationOperatorSyntaxError2.errors.txt
+++ b/tests/baselines/reference/exponentiationOperatorSyntaxError2.errors.txt
@@ -1,19 +1,27 @@
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(5,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(5,1): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(5,8): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(6,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(6,1): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(6,8): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(7,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(7,1): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(7,8): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(8,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(8,1): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(8,8): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(11,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(11,6): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(11,13): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(12,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(12,6): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(12,13): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(13,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(13,6): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(13,13): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(14,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(14,6): error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(14,13): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(16,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(16,1): error TS17006: An unary expression with the 'typeof' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(17,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
@@ -81,7 +89,7 @@ tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxE
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts(68,1): error TS17007: A type assertion expression is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
 
 
-==== tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts (81 errors) ====
+==== tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxError2.ts (89 errors) ====
     
     // Error: early syntax error using ES7 SimpleUnaryExpression on left-hand side without ()
     var temp: any;
@@ -91,21 +99,29 @@ tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxE
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
     ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+           ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     delete ++temp ** 3;
     ~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
     ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+           ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     delete temp-- ** 3;
     ~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
     ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+           ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     delete temp++ ** 3;
     ~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
     ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+           ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     
     
     1 ** delete --temp ** 3;
@@ -113,21 +129,29 @@ tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorSyntaxE
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
          ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+                ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     1 ** delete ++temp ** 3;
          ~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
          ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+                ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     1 ** delete temp-- ** 3;
          ~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
          ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+                ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     1 ** delete temp++ ** 3;
          ~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
          ~~~~~~~~~~~~~
 !!! error TS17006: An unary expression with the 'delete' operator is not allowed in the left-hand side of an exponentiation expression. Consider enclosing the expression in parentheses.
+                ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     
     typeof --temp ** 3;
     ~~~~~~~~~~~~~
diff --git a/tests/baselines/reference/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.errors.txt b/tests/baselines/reference/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.errors.txt
index f43cbd0042a..24145c81158 100644
--- a/tests/baselines/reference/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.errors.txt
+++ b/tests/baselines/reference/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.errors.txt
@@ -19,16 +19,24 @@ tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInv
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(25,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(26,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(28,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(28,9): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(29,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(29,9): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(30,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(30,9): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(31,1): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(31,9): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(33,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(33,14): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(34,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(34,14): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(35,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(35,14): error TS2698: The operand of a delete operator must be a property reference
 tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(36,6): error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts(36,14): error TS2698: The operand of a delete operator must be a property reference
 
 
-==== tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts (28 errors) ====
+==== tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInvalidSimpleUnaryExpressionOperands.ts (36 errors) ====
     var temp: any;
     
     // Error: incorrect type on left-hand side 
@@ -99,25 +107,41 @@ tests/cases/conformance/es7/exponentiationOperator/exponentiationOperatorWithInv
     (delete --temp) ** 3;
     ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+            ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     (delete ++temp) ** 3;
     ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+            ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     (delete temp--) ** 3;
     ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+            ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     (delete temp++) ** 3;
     ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+            ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     
     1 ** (delete --temp) ** 3;
          ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+                 ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     1 ** (delete ++temp) ** 3;
          ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+                 ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     1 ** (delete temp--) ** 3;
          ~~~~~~~~~~~~~~~
 !!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+                 ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
     1 ** (delete temp++) ** 3;
          ~~~~~~~~~~~~~~~
-!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
\ No newline at end of file
+!!! error TS2362: The left-hand side of an arithmetic operation must be of type 'any', 'number' or an enum type.
+                 ~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
\ No newline at end of file
diff --git a/tests/baselines/reference/parserStrictMode16.errors.txt b/tests/baselines/reference/parserStrictMode16.errors.txt
new file mode 100644
index 00000000000..edcda2787e1
--- /dev/null
+++ b/tests/baselines/reference/parserStrictMode16.errors.txt
@@ -0,0 +1,20 @@
+tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode16.ts(2,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode16.ts(3,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode16.ts(4,8): error TS2698: The operand of a delete operator must be a property reference
+tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode16.ts(5,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/parser/ecmascript5/StrictMode/parserStrictMode16.ts (4 errors) ====
+    "use strict";
+    delete this;
+           ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete 1;
+           ~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete null;
+           ~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
+    delete "a";
+           ~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
\ No newline at end of file
diff --git a/tests/baselines/reference/symbolType3.errors.txt b/tests/baselines/reference/symbolType3.errors.txt
index 7cc9e82b3b3..bf7a5cf0438 100644
--- a/tests/baselines/reference/symbolType3.errors.txt
+++ b/tests/baselines/reference/symbolType3.errors.txt
@@ -1,3 +1,4 @@
+tests/cases/conformance/es6/Symbols/symbolType3.ts(2,8): error TS2699: The operand of a delete operator cannot be a read-only property
 tests/cases/conformance/es6/Symbols/symbolType3.ts(5,3): error TS2356: An arithmetic operand must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es6/Symbols/symbolType3.ts(6,3): error TS2356: An arithmetic operand must be of type 'any', 'number' or an enum type.
 tests/cases/conformance/es6/Symbols/symbolType3.ts(7,3): error TS2469: The '+' operator cannot be applied to type 'symbol'.
@@ -6,9 +7,11 @@ tests/cases/conformance/es6/Symbols/symbolType3.ts(9,3): error TS2469: The '~' o
 tests/cases/conformance/es6/Symbols/symbolType3.ts(12,2): error TS2469: The '+' operator cannot be applied to type 'symbol'.
 
 
-==== tests/cases/conformance/es6/Symbols/symbolType3.ts (6 errors) ====
+==== tests/cases/conformance/es6/Symbols/symbolType3.ts (7 errors) ====
     var s = Symbol();
     delete Symbol.iterator;
+           ~~~~~~~~~~~~~~~
+!!! error TS2699: The operand of a delete operator cannot be a read-only property
     void Symbol.toPrimitive;
     typeof Symbol.toStringTag;
     ++s;
diff --git a/tests/baselines/reference/templateStringInDeleteExpression.errors.txt b/tests/baselines/reference/templateStringInDeleteExpression.errors.txt
new file mode 100644
index 00000000000..9218b93b650
--- /dev/null
+++ b/tests/baselines/reference/templateStringInDeleteExpression.errors.txt
@@ -0,0 +1,7 @@
+tests/cases/conformance/es6/templates/templateStringInDeleteExpression.ts(1,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/es6/templates/templateStringInDeleteExpression.ts (1 errors) ====
+    delete `abc${0}abc`;
+           ~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
\ No newline at end of file
diff --git a/tests/baselines/reference/templateStringInDeleteExpressionES6.errors.txt b/tests/baselines/reference/templateStringInDeleteExpressionES6.errors.txt
new file mode 100644
index 00000000000..9ea14c39f2b
--- /dev/null
+++ b/tests/baselines/reference/templateStringInDeleteExpressionES6.errors.txt
@@ -0,0 +1,7 @@
+tests/cases/conformance/es6/templates/templateStringInDeleteExpressionES6.ts(1,8): error TS2698: The operand of a delete operator must be a property reference
+
+
+==== tests/cases/conformance/es6/templates/templateStringInDeleteExpressionES6.ts (1 errors) ====
+    delete `abc${0}abc`;
+           ~~~~~~~~~~~~
+!!! error TS2698: The operand of a delete operator must be a property reference
\ No newline at end of file
diff --git a/tests/cases/compiler/deleteReadonly.ts b/tests/cases/compiler/deleteReadonly.ts
new file mode 100644
index 00000000000..b7d35b3261b
--- /dev/null
+++ b/tests/cases/compiler/deleteReadonly.ts
@@ -0,0 +1,18 @@
+interface A {
+  readonly b
+}
+var a: A = {
+  b: 123
+};
+
+delete a.b;
+
+interface B {
+  readonly [k: string]: string
+}
+
+var b: B = {
+  'test': 'test'
+};
+
+delete b['test'];