diff --git a/js/src/builtin/Stream.cpp b/js/src/builtin/Stream.cpp
index de2414d351..c8d8e3e324 100644
--- a/js/src/builtin/Stream.cpp
+++ b/js/src/builtin/Stream.cpp
@@ -284,15 +284,6 @@ ReportArgTypeError(JSContext* cx, const char* funName, const char* expectedType,
                                               funName, expectedType, bytes.get());
 }
 
-static MOZ_MUST_USE bool
-RejectWithPendingError(JSContext* cx, Handle<PromiseObject*> promise) {
-    // Not much we can do about uncatchable exceptions, just bail.
-    RootedValue exn(cx);
-    if (!GetAndClearException(cx, &exn))
-        return false;
-    return PromiseObject::reject(cx, promise, exn);
-}
-
 static MOZ_MUST_USE bool
 ReturnPromiseRejectedWithPendingError(JSContext* cx, const CallArgs& args)
 {
@@ -1183,7 +1174,7 @@ ReadableStreamTee_Cancel(JSContext* cx, Handle<TeeState*> teeState,
         // Step b: Let cancelResult be ! ReadableStreamCancel(stream, compositeReason).
         RootedObject cancelResult(cx, ReadableStream::cancel(cx, stream, compositeReasonVal));
         if (!cancelResult) {
-            if (!RejectWithPendingError(cx, promise))
+            if (!RejectPromiseWithPendingError(cx, promise))
                 return nullptr;
         } else {
             // Step c: Resolve teeState.[[promise]] with cancelResult.