diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index ef9a31d5872..186dd7b0758 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -1461,18 +1461,7 @@ module ts {
             referencePathsOutput,
         }
     }
-
-    export interface EmitHost extends ScriptReferenceHost {
-        getSourceFiles(): SourceFile[];
-        isEmitBlocked(sourceFile?: SourceFile): boolean;
-
-        getCommonSourceDirectory(): string;
-        getCanonicalFileName(fileName: string): string;
-        getNewLine(): string;
-
-        writeFile(filename: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void): void;
-    }
-
+    
     export function getDeclarationDiagnostics(host: EmitHost, resolver: EmitResolver, targetSourceFile: SourceFile): Diagnostic[] {
         var diagnostics: Diagnostic[] = [];
         var jsFilePath = getOwnEmitOutputFilePath(targetSourceFile, host, ".js");
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 2c2c46805f6..7494ec9f6cb 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -23,6 +23,17 @@ module ts {
         string(): string;
     }
 
+    export interface EmitHost extends ScriptReferenceHost {
+        getSourceFiles(): SourceFile[];
+        isEmitBlocked(sourceFile?: SourceFile): boolean;
+
+        getCommonSourceDirectory(): string;
+        getCanonicalFileName(fileName: string): string;
+        getNewLine(): string;
+
+        writeFile(filename: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void): void;
+    }
+
     // Pool writers to avoid needing to allocate them for every symbol we write.
     var stringWriters: StringSymbolWriter[] = [];
     export function getSingleLineStringWriter(): StringSymbolWriter {