diff --git a/browser_patches/firefox/BUILD_NUMBER b/browser_patches/firefox/BUILD_NUMBER
index 62133f6fb2..552c3dea0f 100644
--- a/browser_patches/firefox/BUILD_NUMBER
+++ b/browser_patches/firefox/BUILD_NUMBER
@@ -1,2 +1,2 @@
-1231
-Changed: lushnikov@chromium.org Fri Feb 19 10:28:40 MST 2021
+1232
+Changed: lushnikov@chromium.org Fri Feb 19 11:38:57 MST 2021
diff --git a/browser_patches/firefox/build.sh b/browser_patches/firefox/build.sh
index 91d86c0186..8234830c46 100755
--- a/browser_patches/firefox/build.sh
+++ b/browser_patches/firefox/build.sh
@@ -21,8 +21,7 @@ else
   cd "checkout"
 fi
 
-
-rm .mozconfig
+rm -rf .mozconfig
 
 if [[ "$(uname)" == "Darwin" ]]; then
   if [[ $(uname -m) == "arm64" ]]; then