diff --git a/Dockerfile.dev b/Dockerfile.dev
index 076fb16..b47f638 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -18,7 +18,4 @@ RUN go get -u github.com/golang/lint/golint
 WORKDIR /go/src/github.com/buger/gor-pro/
 ADD . /go/src/github.com/buger/gor-pro/
 
-RUN wget http://archive.apache.org/dist/commons/io/binaries/commons-io-2.4-bin.tar.gz && tar xzf commons-io-2.4-bin.tar.gz && cd commons-io-2.4 && mv commons-io-2.4.jar /tmp/
-RUN wget http://archive.apache.org/dist/commons/codec/binaries/commons-codec-1.9-bin.tar.gz && tar xzf commons-codec-1.9-bin.tar.gz
-RUN javac -cp commons-io-2.4/commons-io-2.4.jar -cp commons-codec-1.9/commons-codec-1.9.jar ./examples/middleware/echo.java
 RUN go get