diff --git a/misc/GNUmakefile b/misc/GNUmakefile
index 158d7a1..1d10c0e 100644
--- a/misc/GNUmakefile
+++ b/misc/GNUmakefile
@@ -18,7 +18,6 @@
 	rm $(TEMP)/$(NGINX)/src/event/modules/ngx_iocp_module.*
 	rm -r $(TEMP)/$(NGINX)/src/os/win32
 
-	rm $(TEMP)/$(NGINX)/src/core/ngx_slab.*
 	rm $(TEMP)/$(NGINX)/src/core/ngx_resolver.*
 
 	rm -r $(TEMP)/$(NGINX)/src/mysql
@@ -51,7 +50,6 @@
 	rm $(TEMP)/$(NGINX)/src/event/modules/ngx_iocp_module.*
 	rm -r $(TEMP)/$(NGINX)/src/os/win32
 
-	rm $(TEMP)/$(NGINX)/src/core/ngx_slab.*
 	rm $(TEMP)/$(NGINX)/src/core/ngx_resolver.*
 
 	rm -r $(TEMP)/$(NGINX)/src/mysql