diff --git a/5.018.002-64bit,threaded/Dockerfile b/5.018.002-64bit,threaded/Dockerfile
index 15f8a9a..7da8584 100644
--- a/5.018.002-64bit,threaded/Dockerfile
+++ b/5.018.002-64bit,threaded/Dockerfile
@@ -14,7 +14,6 @@ RUN ./Configure -Dusethreads -Duse64bitall -des \
         && make install \
         && make veryclean
 
-CMD ["perl5.18.2 -V"]
-
 WORKDIR /root
-RUN rm -fR /usr/src/perl
+
+CMD ["perl5.18.2","-de0"]
diff --git a/5.018.002-64bit/Dockerfile b/5.018.002-64bit/Dockerfile
index dd8d1c0..8ae2e0e 100644
--- a/5.018.002-64bit/Dockerfile
+++ b/5.018.002-64bit/Dockerfile
@@ -14,7 +14,6 @@ RUN ./Configure -Duse64bitall -des \
         && make install \
         && make veryclean
 
-CMD ["perl5.18.2 -V"]
-
 WORKDIR /root
-RUN rm -fR /usr/src/perl
+
+CMD ["perl5.18.2","-de0"]
diff --git a/5.020.000-64bit,threaded/Dockerfile b/5.020.000-64bit,threaded/Dockerfile
index 1371c54..4c48a42 100644
--- a/5.020.000-64bit,threaded/Dockerfile
+++ b/5.020.000-64bit,threaded/Dockerfile
@@ -14,7 +14,6 @@ RUN ./Configure -Dusethreads -Duse64bitall -des \
         && make install \
         && make veryclean
 
-CMD ["perl5.20.0 -V"]
-
 WORKDIR /root
-RUN rm -fR /usr/src/perl
+
+CMD ["perl5.20.0","-de0"]
diff --git a/5.020.000-64bit/Dockerfile b/5.020.000-64bit/Dockerfile
index 0113e92..44662d0 100644
--- a/5.020.000-64bit/Dockerfile
+++ b/5.020.000-64bit/Dockerfile
@@ -14,7 +14,6 @@ RUN ./Configure -Duse64bitall -des \
         && make install \
         && make veryclean
 
-CMD ["perl5.20.0 -V"]
-
 WORKDIR /root
-RUN rm -fR /usr/src/perl
+
+CMD ["perl5.20.0","-de0"]