diff --git a/extensions/grunt/package.json b/extensions/grunt/package.json
index e3f55e398ad..e3338dd8d34 100644
--- a/extensions/grunt/package.json
+++ b/extensions/grunt/package.json
@@ -7,7 +7,6 @@
   "engines": {
     "vscode": "*"
   },
-  "enableProposedApi": true,
   "categories": [
     "Other"
   ],
diff --git a/extensions/gulp/package.json b/extensions/gulp/package.json
index f2eb59ef074..0d1d70f9e1e 100644
--- a/extensions/gulp/package.json
+++ b/extensions/gulp/package.json
@@ -7,7 +7,6 @@
   "engines": {
     "vscode": "*"
   },
-  "enableProposedApi": true,
   "categories": [
     "Other"
   ],
diff --git a/extensions/jake/package.json b/extensions/jake/package.json
index 8298e01ad17..dd34c9b2235 100644
--- a/extensions/jake/package.json
+++ b/extensions/jake/package.json
@@ -7,7 +7,6 @@
   "engines": {
     "vscode": "*"
   },
-  "enableProposedApi": true,
   "categories": [
     "Other"
   ],
diff --git a/src/vs/workbench/api/node/extHost.api.impl.ts b/src/vs/workbench/api/node/extHost.api.impl.ts
index e87d48660eb..6aebd241572 100644
--- a/src/vs/workbench/api/node/extHost.api.impl.ts
+++ b/src/vs/workbench/api/node/extHost.api.impl.ts
@@ -448,9 +448,9 @@ export function createApiFactory(
 			getConfiguration: (section?: string): vscode.WorkspaceConfiguration => {
 				return extHostConfiguration.getConfiguration(section);
 			},
-			registerTaskProvider: proposedApiFunction(extension, (provider: vscode.TaskProvider) => {
+			registerTaskProvider: (provider: vscode.TaskProvider) => {
 				return extHostTask.registerTaskProvider(extension, provider);
-			})
+			}
 		};
 
 		class SCM {