diff --git a/5.020.000-threaded/Dockerfile b/5.020.000-threaded/Dockerfile
deleted file mode 100644
index c84ac17..0000000
--- a/5.020.000-threaded/Dockerfile
+++ /dev/null
@@ -1,20 +0,0 @@
-FROM buildpack-deps
-MAINTAINER Peter Martini <PeterCMartini@GMail.com>
-
-RUN apt-get update && apt-get install -y curl procps
-
-RUN mkdir /usr/src/perl
-WORKDIR /usr/src/perl
-RUN curl -SL http://www.cpan.org/src/5.0/perl-5.20.0.tar.gz \
-                | tar -xz --strip-components=1
-
-RUN ./Configure -Dusethreads -des \
-        && make -j$(nproc) \
-        && TEST_JOBS=$(nproc) make test_harness \
-        && make install \
-        && make veryclean
-
-CMD ["perl5.20.0 -V"]
-
-WORKDIR /root
-RUN rm -fR /usr/src/perl
diff --git a/5.020.000/Dockerfile b/5.020.000/Dockerfile
deleted file mode 100644
index f1b0828..0000000
--- a/5.020.000/Dockerfile
+++ /dev/null
@@ -1,20 +0,0 @@
-FROM buildpack-deps
-MAINTAINER Peter Martini <PeterCMartini@GMail.com>
-
-RUN apt-get update && apt-get install -y curl procps
-
-RUN mkdir /usr/src/perl
-WORKDIR /usr/src/perl
-RUN curl -SL http://www.cpan.org/src/5.0/perl-5.20.0.tar.gz \
-                | tar -xz --strip-components=1
-
-RUN ./Configure -des \
-        && make -j$(nproc) \
-        && TEST_JOBS=$(nproc) make test_harness \
-        && make install \
-        && make veryclean
-
-CMD ["perl5.20.0 -V"]
-
-WORKDIR /root
-RUN rm -fR /usr/src/perl