diff --git a/build-docker.sh b/build-docker.sh
index f4ee9cc8..0e3d8298 100644
--- a/build-docker.sh
+++ b/build-docker.sh
@@ -8,6 +8,13 @@ else
     exit 0
 fi
 
-mkdir compilers_temp && if [ -e /bin/unzip ]; then unzip compilers_latest.zip -d compilers_temp; else echo "You do not seem to have unzip installed on this system. Please install it to continue."; exit 1; fi
+mkdir compilers_temp
+if [ -e /bin/unzip ]; then
+    unzip compilers_latest.zip -d compilers_temp
+else
+    echo "You do not seem to have unzip installed on this system. Please install it to continue."
+    exit 1
+fi
 mv compilers_temp/GC/1.2.5n/ tools/ && mv compilers_temp/GC/1.3.2/ tools/ && mv compilers_temp/GC/1.3.2r/ tools/
+rm -r compilers_temp compilers_latest.zip
 echo "Docker image setup is now complete. You may proceed with the instructions."