diff --git a/launch_chffrplus.sh b/launch_chffrplus.sh
index 29d5d8c188..d76dd9c181 100755
--- a/launch_chffrplus.sh
+++ b/launch_chffrplus.sh
@@ -84,7 +84,6 @@ function two_init {
     if [ ! -f "$BASEDIR/prebuilt" ]; then
       # Clean old build products, but preserve the scons cache
       cd $DIR
-      scons --clean
       git clean -xdf
       git submodule foreach --recursive git clean -xdf
     fi