diff --git a/dockers/docker-sonic-mgmt/Dockerfile.j2 b/dockers/docker-sonic-mgmt/Dockerfile.j2
index 9396c7e56c0..cd2fd5ff37d 100644
--- a/dockers/docker-sonic-mgmt/Dockerfile.j2
+++ b/dockers/docker-sonic-mgmt/Dockerfile.j2
@@ -30,6 +30,8 @@ RUN apt-get install -y rsyslog psmisc
 
 # Remove cffi 1.5.2, will install 1.10.0 by pip later
 RUN apt-get remove -y python-cffi python-cffi-backend
+# Remove pycparser 2.14, will install >=2.17 by pip later
+RUN apt-get remove -y python-ply python-pycparser
 
 RUN easy_install pip