diff --git a/travis/before-cache-gradle b/travis/before-cache-gradle
index 01e6e296c..6db6f1c30 100644
--- a/travis/before-cache-gradle
+++ b/travis/before-cache-gradle
@@ -2,6 +2,6 @@
 
 caches="$HOME/.gradle/caches"
 
-rm --force --recursive \
+rm -rf \
    "$caches/modules-2/modules-2.lock" \
    "$caches"/*/plugin-resolution