diff --git a/Atom-Linux/util.h b/Atom-Linux/util.h
index ba0305c1c..da6119183 100644
--- a/Atom-Linux/util.h
+++ b/Atom-Linux/util.h
@@ -8,18 +8,6 @@
 
 #include "include/cef_task.h"
 
-#if defined(OS_WIN)
-
-#include <windows.h>  // NOLINT(build/include_order)
-
-#ifndef NDEBUG
-#define ASSERT(condition) if (!(condition)) { DebugBreak(); }
-#else
-#define ASSERT(condition) ((void)0)
-#endif
-
-#else  // !OS_WIN
-
 #include <assert.h>  // NOLINT(build/include_order)
 
 #ifndef NDEBUG
@@ -28,8 +16,6 @@
 #define ASSERT(condition) ((void)0)
 #endif
 
-#endif  // !OS_WIN
-
 #define REQUIRE_UI_THREAD()   ASSERT(CefCurrentlyOn(TID_UI));
 #define REQUIRE_IO_THREAD()   ASSERT(CefCurrentlyOn(TID_IO));
 #define REQUIRE_FILE_THREAD() ASSERT(CefCurrentlyOn(TID_FILE));