diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index e4ddbc2..0779266 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -64,6 +64,8 @@
 PYTHON_DIR="Python-${PYTHON_VERSION}"
 EXPAT_DIR="expat-${EXPAT_VERSION}"
 
+unset MAKELEVEL MAKEFLAGS
+
 SAVETEMPS=0
 SKIPGDB=1
 SKIPPYTHON=1