diff --git a/reactos/drivers/net/afd/include/debug.h b/reactos/drivers/net/afd/include/debug.h
index b3961e098de..6a220bcaaaa 100644
--- a/reactos/drivers/net/afd/include/debug.h
+++ b/reactos/drivers/net/afd/include/debug.h
@@ -53,7 +53,6 @@ extern DWORD DebugTraceLevel;
 #define ASSERT(x) if (!(x)) { AFD_DbgPrint(MIN_TRACE, ("Assertion "#x" failed at %s:%d\n", __FILE__, __LINE__)); KeBugCheck(0); }
 #endif /* NASSERT */
 
-#define ASSERT_KM(x) ASSERT((x) >= 0xC0000000)
 #define ASSERT_IRQL(x) ASSERT(KeGetCurrentIrql() <= (x))
 
 #else /* DBG */
@@ -69,7 +68,6 @@ extern DWORD DebugTraceLevel;
 
 #undef assert
 #define assert(x) ASSERT(x)
-#define assert_km(x) ASSERT_KM(x)
 #define assert_irql(x) ASSERT_IRQL(x)