diff --git a/testing/docker/tester/Dockerfile b/testing/docker/tester/Dockerfile
index 29f720930bec..427a329dc296 100644
--- a/testing/docker/tester/Dockerfile
+++ b/testing/docker/tester/Dockerfile
@@ -18,7 +18,6 @@ RUN chmod u+x /usr/local/bin/linux64-minidump_stackwalk
 RUN apt-get install -y python-pip && pip install virtualenv;
 RUN mkdir Documents; mkdir Pictures; mkdir Music; mkdir Videos; mkdir artifacts
 RUN npm install -g taskcluster-vcs@2.3.4
-RUN npm install -g taskcluster-npm-cache@1.1.12
 RUN rm -Rf .cache && mkdir -p .cache
 ENV PATH $PATH:/home/worker/bin
 
diff --git a/testing/docker/tester/VERSION b/testing/docker/tester/VERSION
index 9e11b32fcaa9..b005e307c519 100644
--- a/testing/docker/tester/VERSION
+++ b/testing/docker/tester/VERSION
@@ -1 +1 @@
-0.3.1
+0.2.15