diff --git a/srcpkgs/cross-arm-linux-gnueabi/template b/srcpkgs/cross-arm-linux-gnueabi/template
index e89c7f76efd..e047c152fec 100644
--- a/srcpkgs/cross-arm-linux-gnueabi/template
+++ b/srcpkgs/cross-arm-linux-gnueabi/template
@@ -199,7 +199,8 @@ _gcc_build() {
 }
 
 do_build() {
-	unset LDFLAGS
+	unset CC CXX CPP LD AS AR RANLIB OBJDUMP READELF NM
+	unset CFLAGS CXXFLAGS CPPFLAGS LDFLAGS
 	export CFLAGS="-Os" CXXFLAGS="-Os"
 
 	for f in include lib libexec bin sbin; do