diff --git a/tools/dockerfile/grpc_interop_python/build_interop.sh b/tools/dockerfile/grpc_interop_python/build_interop.sh
index 203b012aed477ab1a66b4fdb415d3f7cb3055e21..ed736809bc7718b80876ccac9cf42f99c31e5e0f 100755
--- a/tools/dockerfile/grpc_interop_python/build_interop.sh
+++ b/tools/dockerfile/grpc_interop_python/build_interop.sh
@@ -39,7 +39,6 @@ cp -r /var/local/jenkins/service_account $HOME || true
 
 cd /var/local/git/grpc
 
-make install-certs
 make
 
 # build Python interop client and server