diff --git a/src/vs/base/common/paths.ts b/src/vs/base/common/paths.ts
index c96193ba433696fad54b99b7b81a5a6cf5dbbbef..3ad625b365305bd1978ef91e5462c131bbfa3b5d 100644
--- a/src/vs/base/common/paths.ts
+++ b/src/vs/base/common/paths.ts
@@ -311,14 +311,6 @@ export function isUNC(path: string): boolean {
 	return true;
 }
 
-function isPosixAbsolute(path: string): boolean {
-	return path && path[0] === '/';
-}
-
-export function makePosixAbsolute(path: string): string {
-	return isPosixAbsolute(normalize(path)) ? path : sep + path;
-}
-
 // Reference: https://en.wikipedia.org/wiki/Filename
 const INVALID_FILE_CHARS = isWindows ? /[\\/:\*\?"<>\|]/g : /[\\/]/g;
 const WINDOWS_FORBIDDEN_NAMES = /^(con|prn|aux|clock\$|nul|lpt[0-9]|com[0-9])$/i;
diff --git a/src/vs/base/test/common/paths.test.ts b/src/vs/base/test/common/paths.test.ts
index 26ec076adfcd47d946d3806a8ace3c6181550eed..230bfb306ed87866c07744eb424b9f99b02ed35b 100644
--- a/src/vs/base/test/common/paths.test.ts
+++ b/src/vs/base/test/common/paths.test.ts
@@ -117,15 +117,6 @@ suite('Paths', () => {
 
 	});
 
-	test('makeAbsolute', () => {
-		assert.equal(paths.makePosixAbsolute('foo'), '/foo');
-		assert.equal(paths.makePosixAbsolute('foo/bar'), '/foo/bar');
-		assert.equal(paths.makePosixAbsolute('foo/bar/'), '/foo/bar/');
-		assert.equal(paths.makePosixAbsolute('/foo/bar'), '/foo/bar');
-		assert.equal(paths.makePosixAbsolute('/'), '/');
-		assert.equal(paths.makePosixAbsolute(''), '/');
-	});
-
 	test('basename', () => {
 		assert.equal(paths.basename('foo/bar'), 'bar');
 		assert.equal(paths.basename('foo\\bar'), 'bar');
diff --git a/src/vs/workbench/test/workbenchTestServices.ts b/src/vs/workbench/test/workbenchTestServices.ts
index 2b279afb06e16241dd79023bff358aa1ccbc7407..64a34c6c566febed9c82b79b693e67276068ab73 100644
--- a/src/vs/workbench/test/workbenchTestServices.ts
+++ b/src/vs/workbench/test/workbenchTestServices.ts
@@ -100,7 +100,7 @@ export class TestContextService implements IWorkspaceContextService {
 	}
 
 	public toWorkspaceRelativePath(resource: URI, toOSPath?: boolean): string {
-		return paths.makePosixAbsolute(paths.normalize(resource.fsPath.substr('c:'.length), toOSPath));
+		return makePosixAbsolute(paths.normalize(resource.fsPath.substr('c:'.length), toOSPath));
 	}
 
 	public toResource(workspaceRelativePath: string): URI {
@@ -108,6 +108,14 @@ export class TestContextService implements IWorkspaceContextService {
 	}
 }
 
+function isPosixAbsolute(path: string): boolean {
+	return path && path[0] === '/';
+}
+
+function makePosixAbsolute(path: string): string {
+	return isPosixAbsolute(paths.normalize(path)) ? path : paths.sep + path;
+}
+
 export class TestTextFileService extends TextFileService {
 	public cleanupBackupsBeforeShutdownCalled: boolean;