Index: include/reactos/debug.h
===================================================================
--- include/reactos/debug.h	(revision 70267)
+++ include/reactos/debug.h	(working copy)
@@ -108,11 +108,7 @@
 
     #else
 
-#if defined(_MSC_VER)
-        #define DPRINT   __noop
-#else
         #define DPRINT(...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
-#endif
 
     #endif
 
@@ -130,23 +126,8 @@
 
 #else /* not DBG */
 
-    /* On non-debug builds, we never show these */
-#if defined(_MSC_VER)
-    #define DPRINT1   __noop
-    #define DPRINT    __noop
+    // Do not use Microsoft __noop intrinsic as it will cause variable unreferenced error in ntoskrnl #CORE-10652
 
-    #define UNIMPLEMENTED
-
-    #define ERR_      __noop
-    #define WARN_     __noop
-    #define TRACE_    __noop
-    #define INFO_     __noop
-
-    #define ERR__     __noop
-    #define WARN__    __noop
-    #define TRACE__   __noop
-    #define INFO__    __noop
-#else
     #define DPRINT1(...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
     #define DPRINT(...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
 
@@ -161,7 +142,6 @@
     #define WARN__(ch, ...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
     #define TRACE__(ch, ...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
     #define INFO__(ch, ...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
-#endif /* _MSC_VER */
 
 #endif /* not DBG */