diff --git a/test/tsan/Darwin/gcd-fd.mm b/test/tsan/Darwin/gcd-fd.mm
index 1a67358..9a77a3f 100644
--- a/test/tsan/Darwin/gcd-fd.mm
+++ b/test/tsan/Darwin/gcd-fd.mm
@@ -1,7 +1,9 @@
-// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %clang_tsan %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s
 
-#import <Foundation/Foundation.h>
+#include <dispatch/dispatch.h>
+
+#include <stdio.h>
 
 long my_global = 0;
 
diff --git a/test/tsan/Darwin/gcd-io-barrier-race.mm b/test/tsan/Darwin/gcd-io-barrier-race.mm
index c8e019e..150f403 100644
--- a/test/tsan/Darwin/gcd-io-barrier-race.mm
+++ b/test/tsan/Darwin/gcd-io-barrier-race.mm
@@ -1,7 +1,7 @@
-// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %clang_tsan %s -o %t
 // RUN: %deflake %run %t 2>&1 | FileCheck %s
 
-#import <Foundation/Foundation.h>
+#include <dispatch/dispatch.h>
 
 #import "../test.h"
 
diff --git a/test/tsan/Darwin/gcd-io-barrier.mm b/test/tsan/Darwin/gcd-io-barrier.mm
index b7c55e9..849644e 100644
--- a/test/tsan/Darwin/gcd-io-barrier.mm
+++ b/test/tsan/Darwin/gcd-io-barrier.mm
@@ -1,7 +1,10 @@
-// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %clang_tsan %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s
 
-#import <Foundation/Foundation.h>
+#include <dispatch/dispatch.h>
+
+#include <stdio.h>
+#include <stdlib.h>
 
 dispatch_queue_t queue;
 dispatch_data_t data;
diff --git a/test/tsan/Darwin/gcd-io-cleanup.mm b/test/tsan/Darwin/gcd-io-cleanup.mm
index 03d1160..3e1c9d7 100644
--- a/test/tsan/Darwin/gcd-io-cleanup.mm
+++ b/test/tsan/Darwin/gcd-io-cleanup.mm
@@ -1,7 +1,10 @@
-// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %clang_tsan %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s
 
-#import <Foundation/Foundation.h>
+#include <dispatch/dispatch.h>
+
+#include <stdio.h>
+#include <stdlib.h>
 
 long my_global = 0;
 
diff --git a/test/tsan/Darwin/gcd-io-race.mm b/test/tsan/Darwin/gcd-io-race.mm
index 482d987..7d7f603 100644
--- a/test/tsan/Darwin/gcd-io-race.mm
+++ b/test/tsan/Darwin/gcd-io-race.mm
@@ -1,10 +1,8 @@
-// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %clang_tsan %s -o %t
 // RUN: %deflake %run %t 2>&1 | FileCheck %s
 
 // REQUIRES: disabled
 
-#import <Foundation/Foundation.h>
-
 #import "../test.h"
 
 dispatch_queue_t queue;
diff --git a/test/tsan/Darwin/gcd-io.mm b/test/tsan/Darwin/gcd-io.mm
index 60ed8a9..6302e74 100644
--- a/test/tsan/Darwin/gcd-io.mm
+++ b/test/tsan/Darwin/gcd-io.mm
@@ -1,7 +1,10 @@
-// RUN: %clang_tsan %s -o %t -framework Foundation
+// RUN: %clang_tsan %s -o %t
 // RUN: %run %t 2>&1 | FileCheck %s
 
-#import <Foundation/Foundation.h>
+#include <dispatch/dispatch.h>
+
+#include <stdio.h>
+#include <stdlib.h>
 
 dispatch_queue_t queue;
 dispatch_data_t data;