diff --git a/tests/baselines/reference/moduleMergeConstructor.js b/tests/baselines/reference/moduleMergeConstructor.js
index 9922a4c06ae..f47e5791117 100644
--- a/tests/baselines/reference/moduleMergeConstructor.js
+++ b/tests/baselines/reference/moduleMergeConstructor.js
@@ -4,7 +4,7 @@
 
 declare module "foo" {
     export class Foo {
-        // constructor(): Foo;
+        constructor();
         method1(): any;
     }
 }
diff --git a/tests/baselines/reference/moduleMergeConstructor.symbols b/tests/baselines/reference/moduleMergeConstructor.symbols
index 2cea885f8c2..a960ad07e7e 100644
--- a/tests/baselines/reference/moduleMergeConstructor.symbols
+++ b/tests/baselines/reference/moduleMergeConstructor.symbols
@@ -4,9 +4,9 @@ declare module "foo" {
     export class Foo {
 >Foo : Symbol(Foo, Decl(foo.d.ts, 1, 22), Decl(foo-ext.d.ts, 0, 22))
 
-        // constructor(): Foo;
+        constructor();
         method1(): any;
->method1 : Symbol(method1, Decl(foo.d.ts, 2, 22))
+>method1 : Symbol(method1, Decl(foo.d.ts, 3, 22))
     }
 }
 
diff --git a/tests/baselines/reference/moduleMergeConstructor.types b/tests/baselines/reference/moduleMergeConstructor.types
index bec91285f03..48a2f010293 100644
--- a/tests/baselines/reference/moduleMergeConstructor.types
+++ b/tests/baselines/reference/moduleMergeConstructor.types
@@ -4,7 +4,7 @@ declare module "foo" {
     export class Foo {
 >Foo : Foo
 
-        // constructor(): Foo;
+        constructor();
         method1(): any;
 >method1 : () => any
     }
diff --git a/tests/cases/compiler/moduleMergeConstructor.ts b/tests/cases/compiler/moduleMergeConstructor.ts
index cb312ba6327..018dc867df6 100644
--- a/tests/cases/compiler/moduleMergeConstructor.ts
+++ b/tests/cases/compiler/moduleMergeConstructor.ts
@@ -3,7 +3,7 @@
 // @filename: foo.d.ts
 declare module "foo" {
     export class Foo {
-        // constructor(): Foo;
+        constructor();
         method1(): any;
     }
 }