1 files changed, 0 insertions, 5 deletions
diff --git a/runtime/js/40_error_stack.js b/runtime/js/40_error_stack.js
index 1ecf0f6bb..046f4ddf0 100644
--- a/runtime/js/40_error_stack.js
+++ b/runtime/js/40_error_stack.js
@@ -12,13 +12,8 @@
     return core.opSync("op_format_file_name", location);
   }
 
-  function opApplySourceMap(location) {
-    return core.applySourceMap(location);
-  }
-
   window.__bootstrap.errorStack = {
     opFormatDiagnostics,
     opFormatFileName,
-    opApplySourceMap,
   };
 })(this);