diff --git a/binary_tarball/scripts/4_Build_Binary_Tarball.sh b/binary_tarball/scripts/4_Build_Binary_Tarball.sh
index cd1bed3..4beb4d5 100755
--- a/binary_tarball/scripts/4_Build_Binary_Tarball.sh
+++ b/binary_tarball/scripts/4_Build_Binary_Tarball.sh
@@ -46,6 +46,8 @@ cd $srcdir;
 
 # ./mach configure
 
+rm -f mozconfig
+
 # add cargo binary to path
 # source /root/.cargo/env