diff --git a/docker/CentOS-7/Dockerfile b/docker/CentOS-7/Dockerfile
index 0fc2191a..f916030d 100644
--- a/docker/CentOS-7/Dockerfile
+++ b/docker/CentOS-7/Dockerfile
@@ -8,7 +8,4 @@ RUN yum -y install git cmake3 make qt5-qtbase-devel gcc \
  libXtst-devel libXinerama-devel libICE-devel libXrandr-devel
 
 RUN git clone https://github.com/debauchee/barrier/
-# pending a PR since which is not installed by default on the CentOS-7 docker image
-# `type cmake3 >> /dev/null` && B_CMAKE=`type cmake3 | cut -d ' ' -f 3` instead of B_CMAKE=`which cmake3 2>/dev/null`
-RUN yum -y install which 
 RUN cd barrier && ./clean_build.sh | tee clean_build.log && tar czvf build.tgz build clean_build.log