diff --git a/docker/dev/Dockerfile b/docker/dev/Dockerfile
index 181428a3..2623ed61 100644
--- a/docker/dev/Dockerfile
+++ b/docker/dev/Dockerfile
@@ -18,8 +18,6 @@ RUN curl -O https://noto-website.storage.googleapis.com/pkgs/NotoSansCJKjp-hinte
 # add go bin to path.
 ENV PATH "$PATH:/root/go/bin"
 
-RUN echo $PATH
-
 # project directory.
 WORKDIR /usr/src/diagrams
 
diff --git a/docker/dev/Dockerfile2 b/docker/dev/Dockerfile2
index d456cb51..4f2e16cc 100644
--- a/docker/dev/Dockerfile2
+++ b/docker/dev/Dockerfile2
@@ -10,8 +10,6 @@ WORKDIR /usr/src/diagrams
 
 RUN python -m unittest tests/*.py -v
 
-RUN echo $PATH
-
 RUN ./autogen.sh
 
 RUN /root/.local/bin/poetry build