make clean deletes .kernelrelease now
trylink deleted empty linker stderr on success
diff --git a/Makefile b/Makefile
index 5bbd872..3e94260 100644
--- a/Makefile
+++ b/Makefile
@@ -906,7 +906,7 @@
 
 # Directories & files removed with 'make clean'
 CLEAN_DIRS  += $(MODVERDIR)
-CLEAN_FILES +=	busybox* System.map \
+CLEAN_FILES +=	busybox* System.map .kernelrelease \
                 .tmp_kallsyms* .tmp_version .tmp_busybox* .tmp_System.map
 
 # Directories & files removed with 'make mrproper'