diff --git a/src/vs/code/browser/workbench/workbench-dev.html b/src/vs/code/browser/workbench/workbench-dev.html
index 68df0aa91e6..9fb0fab5a1a 100644
--- a/src/vs/code/browser/workbench/workbench-dev.html
+++ b/src/vs/code/browser/workbench/workbench-dev.html
@@ -16,7 +16,7 @@
 				media-src 'none';
 				script-src 'self' https://az416426.vo.msecnd.net 'unsafe-eval' https: 'sha256-4DqvCTjCHj2KW4QxC/Yt6uBwMRyYiEg7kOoykSEkonQ=' 'sha256-meDZW3XhN5JmdjFUrWGhTouRKBiWYtXHltaKnqn/WMo=';
 				child-src 'self';
-				frame-src 'self' {{WEBVIEW_ENDPOINT}} https://*.vscode-webview-test.com;
+				frame-src 'self' https://*.vscode-webview-test.com;
 				worker-src 'self';
 				style-src 'self' 'unsafe-inline';
 				connect-src 'self' ws: wss: https:;
diff --git a/src/vs/code/browser/workbench/workbench.html b/src/vs/code/browser/workbench/workbench.html
index 7d0ca33dea2..97d78ce7f9e 100644
--- a/src/vs/code/browser/workbench/workbench.html
+++ b/src/vs/code/browser/workbench/workbench.html
@@ -16,7 +16,7 @@
 				media-src 'none';
 				script-src 'self' https://az416426.vo.msecnd.net 'unsafe-eval' https: 'sha256-4DqvCTjCHj2KW4QxC/Yt6uBwMRyYiEg7kOoykSEkonQ=';
 				child-src 'self';
-				frame-src 'self' {{WEBVIEW_ENDPOINT}} https://*.vscode-webview-test.com;
+				frame-src 'self' https://*.vscode-webview-test.com;
 				worker-src 'self';
 				style-src 'self' 'unsafe-inline';
 				connect-src 'self' ws: wss: https:;