diff --git a/public/tier0/dbg.h b/public/tier0/dbg.h
index dcbc6658..1f01d1b4 100644
--- a/public/tier0/dbg.h
+++ b/public/tier0/dbg.h
@@ -178,6 +178,12 @@ enum SpewRetval_t
 /* type of externally defined function used to display debug spew */
 typedef SpewRetval_t (*SpewOutputFunc_t)( SpewType_t spewType, const tchar *pMsg );
 
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
+#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
+#endif
+
 /* Used to redirect spew output */
 DBG_INTERFACE void   SpewOutputFunc( SpewOutputFunc_t func );
 
@@ -206,6 +212,10 @@ DBG_INTERFACE bool SetupWin32ConsoleIO();
 // Returns true if they want to break in the debugger.
 DBG_INTERFACE bool DoNewAssertDialog( const tchar *pFile, int line, const tchar *pExpression );
 
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
 /* Used to define macros, never use these directly. */
 
 #define  _AssertMsg( _exp, _msg, _executeExp, _bFatal )	\
diff --git a/public/tier0/platform.h b/public/tier0/platform.h
index 15ae413e..51b51602 100644
--- a/public/tier0/platform.h
+++ b/public/tier0/platform.h
@@ -824,8 +824,18 @@ struct CPUInformation
 	tchar* m_szProcessorID;				// Processor vendor Identification.
 };
 
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunknown-pragmas"
+#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
+#endif
+
 PLATFORM_INTERFACE const CPUInformation& GetCPUInformation();
 
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
 PLATFORM_INTERFACE void GetCurrentDate( int *pDay, int *pMonth, int *pYear );
 
 // ---------------------------------------------------------------------------------- //