diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index 76cccf79749d5..8f7e3492fb001 100644
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -2809,10 +2809,6 @@ namespace ts {
             }
 
             if (options.isolatedModules) {
-                if (getEmitDeclarations(options)) {
-                    createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, getEmitDeclarationOptionName(options), "isolatedModules");
-                }
-
                 if (options.out) {
                     createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules");
                 }
diff --git a/tests/baselines/reference/isolatedModulesDeclaration.errors.txt b/tests/baselines/reference/isolatedModulesDeclaration.errors.txt
deleted file mode 100644
index 09a655c6da081..0000000000000
--- a/tests/baselines/reference/isolatedModulesDeclaration.errors.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-error TS5053: Option 'declaration' cannot be specified with option 'isolatedModules'.
-
-
-!!! error TS5053: Option 'declaration' cannot be specified with option 'isolatedModules'.
-==== tests/cases/compiler/file1.ts (0 errors) ====
-    export var x;
\ No newline at end of file