diff --git a/ubuntu18.04/cuda-devel/Dockerfile b/ubuntu18.04/cuda-devel/Dockerfile
index 2bc09ea335b5710e5153f333bb8d965775f617d2..0913bc432355907890f592eefbadecd5946dbbb4 100644
--- a/ubuntu18.04/cuda-devel/Dockerfile
+++ b/ubuntu18.04/cuda-devel/Dockerfile
@@ -28,4 +28,4 @@ RUN apt-get update && \
     cd python && \
     python3.7 setup.py install && \
     apt-get clean
-ADD mxnet_profile.sh /etc/profile.d/mxnet.sh
+ENV MXNet_DIR /opt/mxnet-1.4.1
diff --git a/ubuntu18.04/devel/Dockerfile b/ubuntu18.04/devel/Dockerfile
index 8b664a26911487595e274521a00d99d8f2d7c747..c93b4efc73a6faeae8f7ececfa7758ea5cb1ddf2 100644
--- a/ubuntu18.04/devel/Dockerfile
+++ b/ubuntu18.04/devel/Dockerfile
@@ -27,4 +27,4 @@ RUN apt-get update && \
     cd python && \
     python3.7 setup.py install && \
     apt-get clean
-ADD mxnet_profile.sh /etc/profile.d/mxnet.sh
+ENV MXNet_DIR /opt/mxnet-1.4.1
diff --git a/ubuntu18.04/mxnet_profile.sh b/ubuntu18.04/mxnet_profile.sh
deleted file mode 100755
index 993fda21d9cc868d2e09df87a4379b7236a5dacf..0000000000000000000000000000000000000000
--- a/ubuntu18.04/mxnet_profile.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#! /bin/sh
-export MXNet_DIR=/opt/mxnet-1.4.1