diff --git a/.github/workflows/build-dev.yml b/.github/workflows/build-dev.yml
index 244b14828..02297bc91 100644
--- a/.github/workflows/build-dev.yml
+++ b/.github/workflows/build-dev.yml
@@ -28,8 +28,8 @@ jobs:
 
     # Clean unnecessary files to save disk space
     - name: clean unncessary files to save space
-    run: |
-       echo `docker images -q`
+      run: |
+        docker rmi `docker images -q`
 
     - name: Build image for ${{ matrix.target }}
       id: build