diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 56d8fc87fbbc..7e8f5d863c76 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -249,14 +249,9 @@ static inline enum zone_type gfp_zone(gfp_t flags)
 
 	z = (GFP_ZONE_TABLE >> (bit * ZONES_SHIFT)) &
 					 ((1 << ZONES_SHIFT) - 1);
-
-	if (__builtin_constant_p(bit))
-		BUILD_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
-	else {
 #ifdef CONFIG_DEBUG_VM
-		BUG_ON((GFP_ZONE_BAD >> bit) & 1);
+	BUG_ON((GFP_ZONE_BAD >> bit) & 1);
 #endif
-	}
 	return z;
 }