diff --git a/js/src/vm/EnvironmentObject.cpp b/js/src/vm/EnvironmentObject.cpp
index 5e259d91fd8f..fa1992227610 100644
--- a/js/src/vm/EnvironmentObject.cpp
+++ b/js/src/vm/EnvironmentObject.cpp
@@ -1598,8 +1598,7 @@ class DebugEnvironmentProxyHandler : public BaseProxyHandler
             CallObject& callobj = env->as<CallObject>();
             RootedFunction fun(cx, &callobj.callee());
             RootedScript script(cx, JSFunction::getOrCreateScript(cx, fun));
-            AutoKeepTypeScripts keepTypes(cx);
-            if (!script->ensureHasTypes(cx, keepTypes) || !script->ensureHasAnalyzedArgsUsage(cx)) {
+            if (!script->ensureHasAnalyzedArgsUsage(cx)) {
                 return false;
             }