diff --git a/tests/baselines/reference/NonInitializedExportInInternalModule.errors.txt b/tests/baselines/reference/NonInitializedExportInInternalModule.errors.txt
new file mode 100644
index 00000000000..a7b6b5de43d
--- /dev/null
+++ b/tests/baselines/reference/NonInitializedExportInInternalModule.errors.txt
@@ -0,0 +1,47 @@
+tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts(3,8): error TS1123: Variable declaration list cannot be empty.
+tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts(4,5): error TS2304: Cannot find name 'let'.
+tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts(5,10): error TS1123: Variable declaration list cannot be empty.
+
+
+==== tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts (3 errors) ====
+    
+    module Inner {
+        var;
+           
+!!! error TS1123: Variable declaration list cannot be empty.
+        let;
+        ~~~
+!!! error TS2304: Cannot find name 'let'.
+        const;
+             
+!!! error TS1123: Variable declaration list cannot be empty.
+        
+        export var a;
+        export let b;
+        export var c: string;
+        export let d: number;
+        class A {}
+        export var e: A;
+        export let f: A;
+        
+        namespace B {
+            export let a = 1, b, c = 2;
+            export let x, y, z;
+        }
+        
+        module C {
+            export var a = 1, b, c = 2;
+            export var x, y, z;
+        }
+        
+        // Shouldn't be filtered
+        export var a1 = 1;
+        export let b1 = 1;
+        export var c1: string = 'a';
+        export let d1: number = 1;
+        class D {}
+        export var e1 = new D;
+        export let f1 = new D;
+        export var g1: D = new D;
+        export let h1: D = new D;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/NonInitializedExportInInternalModule.js b/tests/baselines/reference/NonInitializedExportInInternalModule.js
new file mode 100644
index 00000000000..e49bb20d3f0
--- /dev/null
+++ b/tests/baselines/reference/NonInitializedExportInInternalModule.js
@@ -0,0 +1,71 @@
+//// [NonInitializedExportInInternalModule.ts]
+
+module Inner {
+    var;
+    let;
+    const;
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+}
+
+//// [NonInitializedExportInInternalModule.js]
+var Inner;
+(function (Inner) {
+    var ;
+    let;
+    var ;
+    var A = (function () {
+        function A() {
+        }
+        return A;
+    })();
+    var B;
+    (function (B) {
+        B.a = 1, B.c = 2;
+    })(B || (B = {}));
+    var C;
+    (function (C) {
+        C.a = 1, C.c = 2;
+    })(C || (C = {}));
+    // Shouldn't be filtered
+    Inner.a1 = 1;
+    Inner.b1 = 1;
+    Inner.c1 = 'a';
+    Inner.d1 = 1;
+    var D = (function () {
+        function D() {
+        }
+        return D;
+    })();
+    Inner.e1 = new D;
+    Inner.f1 = new D;
+    Inner.g1 = new D;
+    Inner.h1 = new D;
+})(Inner || (Inner = {}));
diff --git a/tests/baselines/reference/exportNonInitializedVariablesAMD.errors.txt b/tests/baselines/reference/exportNonInitializedVariablesAMD.errors.txt
new file mode 100644
index 00000000000..ae79675d8dd
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesAMD.errors.txt
@@ -0,0 +1,46 @@
+tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts(2,4): error TS1123: Variable declaration list cannot be empty.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts(3,1): error TS2304: Cannot find name 'let'.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts(4,6): error TS1123: Variable declaration list cannot be empty.
+
+
+==== tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts (3 errors) ====
+    
+    var;
+       
+!!! error TS1123: Variable declaration list cannot be empty.
+    let;
+    ~~~
+!!! error TS2304: Cannot find name 'let'.
+    const;
+         
+!!! error TS1123: Variable declaration list cannot be empty.
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/exportNonInitializedVariablesAMD.js b/tests/baselines/reference/exportNonInitializedVariablesAMD.js
new file mode 100644
index 00000000000..3b61281eaba
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesAMD.js
@@ -0,0 +1,69 @@
+//// [exportNonInitializedVariablesAMD.ts]
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
+
+
+//// [exportNonInitializedVariablesAMD.js]
+define(["require", "exports"], function (require, exports) {
+    var ;
+    let;
+    var ;
+    var A = (function () {
+        function A() {
+        }
+        return A;
+    })();
+    var B;
+    (function (B) {
+        B.a = 1, B.c = 2;
+    })(B || (B = {}));
+    var C;
+    (function (C) {
+        C.a = 1, C.c = 2;
+    })(C || (C = {}));
+    // Shouldn't be filtered
+    exports.a1 = 1;
+    exports.b1 = 1;
+    exports.c1 = 'a';
+    exports.d1 = 1;
+    var D = (function () {
+        function D() {
+        }
+        return D;
+    })();
+    exports.e1 = new D;
+    exports.f1 = new D;
+    exports.g1 = new D;
+    exports.h1 = new D;
+});
diff --git a/tests/baselines/reference/exportNonInitializedVariablesCommonJS.errors.txt b/tests/baselines/reference/exportNonInitializedVariablesCommonJS.errors.txt
new file mode 100644
index 00000000000..65a18649af3
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesCommonJS.errors.txt
@@ -0,0 +1,46 @@
+tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts(2,4): error TS1123: Variable declaration list cannot be empty.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts(3,1): error TS2304: Cannot find name 'let'.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts(4,6): error TS1123: Variable declaration list cannot be empty.
+
+
+==== tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts (3 errors) ====
+    
+    var;
+       
+!!! error TS1123: Variable declaration list cannot be empty.
+    let;
+    ~~~
+!!! error TS2304: Cannot find name 'let'.
+    const;
+         
+!!! error TS1123: Variable declaration list cannot be empty.
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/exportNonInitializedVariablesCommonJS.js b/tests/baselines/reference/exportNonInitializedVariablesCommonJS.js
new file mode 100644
index 00000000000..c1d308b1b94
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesCommonJS.js
@@ -0,0 +1,67 @@
+//// [exportNonInitializedVariablesCommonJS.ts]
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
+
+
+//// [exportNonInitializedVariablesCommonJS.js]
+var ;
+let;
+var ;
+var A = (function () {
+    function A() {
+    }
+    return A;
+})();
+var B;
+(function (B) {
+    B.a = 1, B.c = 2;
+})(B || (B = {}));
+var C;
+(function (C) {
+    C.a = 1, C.c = 2;
+})(C || (C = {}));
+// Shouldn't be filtered
+exports.a1 = 1;
+exports.b1 = 1;
+exports.c1 = 'a';
+exports.d1 = 1;
+var D = (function () {
+    function D() {
+    }
+    return D;
+})();
+exports.e1 = new D;
+exports.f1 = new D;
+exports.g1 = new D;
+exports.h1 = new D;
diff --git a/tests/baselines/reference/exportNonInitializedVariablesES6.errors.txt b/tests/baselines/reference/exportNonInitializedVariablesES6.errors.txt
new file mode 100644
index 00000000000..905d16b360f
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesES6.errors.txt
@@ -0,0 +1,46 @@
+tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts(2,4): error TS1123: Variable declaration list cannot be empty.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts(3,1): error TS2304: Cannot find name 'let'.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts(4,6): error TS1123: Variable declaration list cannot be empty.
+
+
+==== tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts (3 errors) ====
+    
+    var;
+       
+!!! error TS1123: Variable declaration list cannot be empty.
+    let;
+    ~~~
+!!! error TS2304: Cannot find name 'let'.
+    const;
+         
+!!! error TS1123: Variable declaration list cannot be empty.
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/exportNonInitializedVariablesES6.js b/tests/baselines/reference/exportNonInitializedVariablesES6.js
new file mode 100644
index 00000000000..e4f47b2dc68
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesES6.js
@@ -0,0 +1,67 @@
+//// [exportNonInitializedVariablesES6.ts]
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
+
+
+//// [exportNonInitializedVariablesES6.js]
+var ;
+let;
+const ;
+export var a;
+export let b;
+export var c;
+export let d;
+class A {
+}
+export var e;
+export let f;
+var B;
+(function (B) {
+    B.a = 1, B.c = 2;
+})(B || (B = {}));
+var C;
+(function (C) {
+    C.a = 1, C.c = 2;
+})(C || (C = {}));
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1 = 'a';
+export let d1 = 1;
+class D {
+}
+export var e1 = new D;
+export let f1 = new D;
+export var g1 = new D;
+export let h1 = new D;
diff --git a/tests/baselines/reference/exportNonInitializedVariablesSystem.errors.txt b/tests/baselines/reference/exportNonInitializedVariablesSystem.errors.txt
new file mode 100644
index 00000000000..d7aeb5d2ac0
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesSystem.errors.txt
@@ -0,0 +1,46 @@
+tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts(2,4): error TS1123: Variable declaration list cannot be empty.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts(3,1): error TS2304: Cannot find name 'let'.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts(4,6): error TS1123: Variable declaration list cannot be empty.
+
+
+==== tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts (3 errors) ====
+    
+    var;
+       
+!!! error TS1123: Variable declaration list cannot be empty.
+    let;
+    ~~~
+!!! error TS2304: Cannot find name 'let'.
+    const;
+         
+!!! error TS1123: Variable declaration list cannot be empty.
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/exportNonInitializedVariablesSystem.js b/tests/baselines/reference/exportNonInitializedVariablesSystem.js
new file mode 100644
index 00000000000..3b9c5d759dc
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesSystem.js
@@ -0,0 +1,71 @@
+//// [exportNonInitializedVariablesSystem.ts]
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
+
+
+//// [exportNonInitializedVariablesSystem.js]
+System.register([], function(exports_1) {
+    var a, b, c, d, A, e, f, B, C, a1, b1, c1, d1, D, e1, f1, g1, h1;
+    return {
+        setters:[],
+        execute: function() {
+            let;
+            A = (function () {
+                function A() {
+                }
+                return A;
+            })();
+            (function (B) {
+                B.a = 1, B.c = 2;
+            })(B || (B = {}));
+            (function (C) {
+                C.a = 1, C.c = 2;
+            })(C || (C = {}));
+            // Shouldn't be filtered
+            exports_1("a1", a1 = 1);
+            exports_1("b1", b1 = 1);
+            exports_1("c1", c1 = 'a');
+            exports_1("d1", d1 = 1);
+            D = (function () {
+                function D() {
+                }
+                return D;
+            })();
+            exports_1("e1", e1 = new D);
+            exports_1("f1", f1 = new D);
+            exports_1("g1", g1 = new D);
+            exports_1("h1", h1 = new D);
+        }
+    }
+});
diff --git a/tests/baselines/reference/exportNonInitializedVariablesUMD.errors.txt b/tests/baselines/reference/exportNonInitializedVariablesUMD.errors.txt
new file mode 100644
index 00000000000..eaf68e67055
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesUMD.errors.txt
@@ -0,0 +1,46 @@
+tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts(2,4): error TS1123: Variable declaration list cannot be empty.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts(3,1): error TS2304: Cannot find name 'let'.
+tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts(4,6): error TS1123: Variable declaration list cannot be empty.
+
+
+==== tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts (3 errors) ====
+    
+    var;
+       
+!!! error TS1123: Variable declaration list cannot be empty.
+    let;
+    ~~~
+!!! error TS2304: Cannot find name 'let'.
+    const;
+         
+!!! error TS1123: Variable declaration list cannot be empty.
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/exportNonInitializedVariablesUMD.js b/tests/baselines/reference/exportNonInitializedVariablesUMD.js
new file mode 100644
index 00000000000..1e8b3ce4446
--- /dev/null
+++ b/tests/baselines/reference/exportNonInitializedVariablesUMD.js
@@ -0,0 +1,76 @@
+//// [exportNonInitializedVariablesUMD.ts]
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
+
+
+//// [exportNonInitializedVariablesUMD.js]
+(function (deps, factory) {
+    if (typeof module === 'object' && typeof module.exports === 'object') {
+        var v = factory(require, exports); if (v !== undefined) module.exports = v;
+    }
+    else if (typeof define === 'function' && define.amd) {
+        define(deps, factory);
+    }
+})(["require", "exports"], function (require, exports) {
+    var ;
+    let;
+    var ;
+    var A = (function () {
+        function A() {
+        }
+        return A;
+    })();
+    var B;
+    (function (B) {
+        B.a = 1, B.c = 2;
+    })(B || (B = {}));
+    var C;
+    (function (C) {
+        C.a = 1, C.c = 2;
+    })(C || (C = {}));
+    // Shouldn't be filtered
+    exports.a1 = 1;
+    exports.b1 = 1;
+    exports.c1 = 'a';
+    exports.d1 = 1;
+    var D = (function () {
+        function D() {
+        }
+        return D;
+    })();
+    exports.e1 = new D;
+    exports.f1 = new D;
+    exports.g1 = new D;
+    exports.h1 = new D;
+});
diff --git a/tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts b/tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts
new file mode 100644
index 00000000000..f6ad233d4f6
--- /dev/null
+++ b/tests/cases/conformance/externalModules/exportNonInitializedVariablesAMD.ts
@@ -0,0 +1,34 @@
+//@module: amd
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
diff --git a/tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts b/tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts
new file mode 100644
index 00000000000..dd43474972c
--- /dev/null
+++ b/tests/cases/conformance/externalModules/exportNonInitializedVariablesCommonJS.ts
@@ -0,0 +1,34 @@
+//@module: commonjs
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
diff --git a/tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts b/tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts
new file mode 100644
index 00000000000..86319311f96
--- /dev/null
+++ b/tests/cases/conformance/externalModules/exportNonInitializedVariablesES6.ts
@@ -0,0 +1,34 @@
+//@target: ES6
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
diff --git a/tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts b/tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts
new file mode 100644
index 00000000000..2105dd61b1c
--- /dev/null
+++ b/tests/cases/conformance/externalModules/exportNonInitializedVariablesSystem.ts
@@ -0,0 +1,34 @@
+//@module: system
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
diff --git a/tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts b/tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts
new file mode 100644
index 00000000000..b4d767a223c
--- /dev/null
+++ b/tests/cases/conformance/externalModules/exportNonInitializedVariablesUMD.ts
@@ -0,0 +1,34 @@
+//@module: umd
+
+var;
+let;
+const;
+
+export var a;
+export let b;
+export var c: string;
+export let d: number;
+class A {}
+export var e: A;
+export let f: A;
+
+namespace B {
+    export let a = 1, b, c = 2;
+    export let x, y, z;
+}
+
+module C {
+    export var a = 1, b, c = 2;
+    export var x, y, z;
+}
+
+// Shouldn't be filtered
+export var a1 = 1;
+export let b1 = 1;
+export var c1: string = 'a';
+export let d1: number = 1;
+class D {}
+export var e1 = new D;
+export let f1 = new D;
+export var g1: D = new D;
+export let h1: D = new D;
diff --git a/tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts b/tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts
new file mode 100644
index 00000000000..cd08ae00041
--- /dev/null
+++ b/tests/cases/conformance/internalModules/exportDeclarations/NonInitializedExportInInternalModule.ts
@@ -0,0 +1,35 @@
+
+module Inner {
+    var;
+    let;
+    const;
+    
+    export var a;
+    export let b;
+    export var c: string;
+    export let d: number;
+    class A {}
+    export var e: A;
+    export let f: A;
+    
+    namespace B {
+        export let a = 1, b, c = 2;
+        export let x, y, z;
+    }
+    
+    module C {
+        export var a = 1, b, c = 2;
+        export var x, y, z;
+    }
+    
+    // Shouldn't be filtered
+    export var a1 = 1;
+    export let b1 = 1;
+    export var c1: string = 'a';
+    export let d1: number = 1;
+    class D {}
+    export var e1 = new D;
+    export let f1 = new D;
+    export var g1: D = new D;
+    export let h1: D = new D;
+}
\ No newline at end of file