diff --git a/containers/docker/Dockerfile b/containers/docker/Dockerfile
index ac2b00a87eecd087c59b9ee9360d3d9898f4934a..299181f1704752c44df6f20af12a144c1941ad06 100644
--- a/containers/docker/Dockerfile
+++ b/containers/docker/Dockerfile
@@ -115,7 +115,6 @@ RUN cd /tmp             \
 RUN cd /tmp  \
       && apt-get install -y libtbb-dev \
       && pip3 install six \
-      && pip2 install six \
       && source /usr/local/bin/thisroot.sh \
       && source /usr/local/bin/geant4.sh \
       && source /usr/local/bin/thisdd4hep.sh \