diff --git a/test/Sema/uninit-variables.c b/test/Sema/uninit-variables.c
index 1a08029..973e504 100644
--- a/test/Sema/uninit-variables.c
+++ b/test/Sema/uninit-variables.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -Wuninitialized -fsyntax-only -fblocks %s -verify
+// RUN: %clang_cc1 -fsyntax-only -Wuninitialized-experimental -fsyntax-only -fblocks %s -verify
 
 int test1() {
   int x; // expected-note{{variable 'x' is declared here}} expected-note{{add initialization to silence this warning}}
diff --git a/test/SemaCXX/uninit-variables.cpp b/test/SemaCXX/uninit-variables.cpp
index a016937..2bc7fb3 100644
--- a/test/SemaCXX/uninit-variables.cpp
+++ b/test/SemaCXX/uninit-variables.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -Wuninitialized -fsyntax-only %s -verify
+// RUN: %clang_cc1 -fsyntax-only -Wuninitialized-experimental -fsyntax-only %s -verify
 
 int test1_aux(int &x);
 int test1() {
diff --git a/test/SemaObjC/uninit-variables.m b/test/SemaObjC/uninit-variables.m
index 22d4438..63c2140 100644
--- a/test/SemaObjC/uninit-variables.m
+++ b/test/SemaObjC/uninit-variables.m
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -Wuninitialized -fsyntax-only -fblocks %s -verify
+// RUN: %clang_cc1 -fsyntax-only -Wuninitialized-experimental -fsyntax-only -fblocks %s -verify
 
 // Duplicated from uninit-variables.c.
 // Test just to ensure the analysis is working.