diff --git a/js/xpconnect/src/XPCQuickStubs.cpp b/js/xpconnect/src/XPCQuickStubs.cpp
index da7bffb1314..eb1ad532b60 100644
--- a/js/xpconnect/src/XPCQuickStubs.cpp
+++ b/js/xpconnect/src/XPCQuickStubs.cpp
@@ -387,17 +387,6 @@ xpc_qsThrowBadSetterValue(JSContext *cx, nsresult rv, JSObject *obj,
     xpc_qsThrowBadSetterValue(cx, rv, obj, xpc_qsStringTable + name_index);
 }
 
-bool
-xpc_qsGetterOnlyPropertyStub(JSContext *cx, HandleObject obj, HandleId id, bool strict,
-                             MutableHandleValue vp)
-{
-    return JS_ReportErrorFlagsAndNumber(cx,
-                                        JSREPORT_WARNING | JSREPORT_STRICT |
-                                        JSREPORT_STRICT_MODE_ERROR,
-                                        js_GetErrorMessage, nullptr,
-                                        JSMSG_GETTER_ONLY);
-}
-
 bool
 xpc_qsGetterOnlyNativeStub(JSContext *cx, unsigned argc, jsval *vp)
 {
diff --git a/js/xpconnect/src/XPCQuickStubs.h b/js/xpconnect/src/XPCQuickStubs.h
index 0a3ee9096c2..a67d461ed9e 100644
--- a/js/xpconnect/src/XPCQuickStubs.h
+++ b/js/xpconnect/src/XPCQuickStubs.h
@@ -124,10 +124,6 @@ xpc_qsThrowBadSetterValue(JSContext *cx, nsresult rv, JSObject *obj,
                           uint16_t name_index);
 
 
-bool
-xpc_qsGetterOnlyPropertyStub(JSContext *cx, JS::HandleObject obj, JS::HandleId id,
-                             bool strict, JS::MutableHandleValue vp);
-
 bool
 xpc_qsGetterOnlyNativeStub(JSContext *cx, unsigned argc, jsval *vp);