diff --git a/.drone.yml b/.drone.yml
index d88128b..ca321f0 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -38,6 +38,7 @@ steps:
     commands:
       - wget -q -T 180 https://dl.google.com/android/repository/android-ndk-r21b-linux-x86_64.zip
       - unzip -q android-ndk-r21b-linux-x86_64.zip
+      - rm -f android-ndk-r21b-linux-x86_64.zip
   - name: docker
     pull: if-not-exists
     image: plugins/docker