diff --git a/build-system/scripts/check_rebuild b/build-system/scripts/check_rebuild
index d80e9493684..3b0561836fe 100755
--- a/build-system/scripts/check_rebuild
+++ b/build-system/scripts/check_rebuild
@@ -7,6 +7,8 @@ set -euo pipefail
 TAG=$1
 REPOSITORY=$2
 
+exit 1
+
 # If given nothing, then exit with failure to rebuild
 [ -n "$TAG" ] || exit 1
 
diff --git a/build-system/scripts/cond_spot_run_build b/build-system/scripts/cond_spot_run_build
index 1c47a63c6c2..813f7b6d63e 100755
--- a/build-system/scripts/cond_spot_run_build
+++ b/build-system/scripts/cond_spot_run_build
@@ -13,8 +13,8 @@ echo "Content hash tag: cache-$CONTENT_HASH"
 
 cd $(query_manifest buildDir $REPOSITORY)
 
-#if ! check_rebuild cache-$CONTENT_HASH $REPOSITORY; then
+if ! check_rebuild cache-$CONTENT_HASH $REPOSITORY; then
   init_submodules $REPOSITORY
   spot_run_script $CONTENT_HASH $SPEC $BUILD_SYSTEM_PATH/remote_build/remote_build $REPOSITORY $@
   retry tag_remote_image $REPOSITORY cache-$CONTENT_HASH cache-$CONTENT_HASH
-#fi
+fi
diff --git a/build-system/scripts/cond_spot_run_script b/build-system/scripts/cond_spot_run_script
index 3fe9cb8053c..6fd419974a4 100755
--- a/build-system/scripts/cond_spot_run_script
+++ b/build-system/scripts/cond_spot_run_script
@@ -24,8 +24,8 @@ shift
 CONTENT_HASH=$(calculate_content_hash $REPOSITORY)
 echo "Content hash tag: cache-$CONTENT_HASH-$SUCCESS_TAG"
 
-#if ! check_rebuild cache-$CONTENT_HASH-$SUCCESS_TAG $REPOSITORY; then
-init_submodules $REPOSITORY
-spot_run_script $CONTENT_HASH $@
-retry tag_remote_image $REPOSITORY cache-$CONTENT_HASH cache-$CONTENT_HASH-$SUCCESS_TAG
-#fi
+if ! check_rebuild cache-$CONTENT_HASH-$SUCCESS_TAG $REPOSITORY; then
+  init_submodules $REPOSITORY
+  spot_run_script $CONTENT_HASH $@
+  retry tag_remote_image $REPOSITORY cache-$CONTENT_HASH cache-$CONTENT_HASH-$SUCCESS_TAG
+fi