diff --git a/Dockerfile b/Dockerfile
index bd3d9200..2491de76 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,16 +7,16 @@ FROM ubuntu:15.10
         m4 \
         build-essential \
         git \
-        yasm
-    RUN git clone --depth=1 git://github.com/ultravideo/kvazaar.git
-    RUN  cd kvazaar; \
+        yasm; \
+    git clone --depth=1 git://github.com/ultravideo/kvazaar.git; \
+        cd kvazaar; \
         ./autogen.sh; \
         ./configure --disable-shared;\
-        make
+        make;\
+    apt-get remove --purge -y automake autoconf libtool m4 build-essential git yasm `apt-mark showauto`; \
+        apt-get autoremove -y; \
+        apt-get clean all; \
+        rm -rf /var/lib/apt/lists/*
     COPY src/kvazaar /
-    RUN apt-get purge -y automake autoconf libtool m4 build-essential git yasm
-    RUN apt-get autoremove -y
-    RUN apt-get clean all
-    RUN rm -rf /var/lib/apt/lists/*
 ENTRYPOINT ["/kvazaar"]
 CMD ["--help"]