diff --git a/piston b/piston
index d6d13bf..cacf23e 100755
--- a/piston
+++ b/piston
@@ -12,16 +12,16 @@ SUBCOMMAND="$1"
 shift
 
 build_base(){
-    CONTAINER_PATH="$(nix build ".#container" --no-link --json | jq '.[0].outputs.out' -r)" || exit 1
-    docker load -i $CONTAINER_PATH || exit 1
-    docker tag "$IMAGE_NAME_DEV:$IMAGE_TAG" "$IMAGE_NAME:$IMAGE_TAG" || exit 1
+    CONTAINER_PATH="$(nix build ".#container" --no-link --json | jq '.[0].outputs.out' -r)"
+    docker load -i $CONTAINER_PATH
+    docker tag "$IMAGE_NAME_DEV:$IMAGE_TAG" "$IMAGE_NAME:$IMAGE_TAG"
 }
 
 case "$SUBCOMMAND" in
     logs) docker logs -f $CONTAINER_NAME;;
 
     restart) docker restart $CONTAINER_NAME ;;
-    start)
+    start) 
         docker run \
             -p 2000:2000 \
             --rm \
@@ -43,7 +43,7 @@ case "$SUBCOMMAND" in
         ./scaffold.sh $1 $2
         popd > /dev/null
         ;;
-
+    
     build)
         build_base
         if [[ ! -z "$1" ]]; then
@@ -56,7 +56,7 @@ case "$SUBCOMMAND" in
         fi
         ;;
 
-    start-dev)
+    start-dev) 
         build_base
         docker run \
             --rm \
diff --git a/runtimes/default.nix b/runtimes/default.nix
index bfc0e2a..0571829 100644
--- a/runtimes/default.nix
+++ b/runtimes/default.nix
@@ -13,5 +13,4 @@ args: {
     "elixir" = import ./elixir.nix args;
     "erlang" = import ./erlang.nix args;
     "gawk-awk" = import ./gawk-awk.nix args;
-    "openjdk11_headless-java" = import ./openjdk11_headless-java.nix args;
 }
diff --git a/runtimes/openjdk11_headless-java.nix b/runtimes/openjdk11_headless-java.nix
deleted file mode 100644
index a6309bd..0000000
--- a/runtimes/openjdk11_headless-java.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{pkgs, piston, ...}:
-let
-    # Put your package here, preferibly from nixpkgs.
-    pkg = pkgs.openjdk11_headless; # this may be incorrect - it is guessed
-in piston.mkRuntime {
-    # Name of the language implemented by this runtime
-    language = "java";
-
-    # The version of the language
-    # Usually this is specified on the package
-    version = pkg.version;
-
-    # Name of the runtime
-    # This line should be kept if the runtime differs from the language
-    runtime = "openjdk11_headless";
-
-    aliases = [
-    ];
-
-    # This is the lines of a shell script to evaluate a file at $1
-    # The remaining arguments are the arguments to launch the application with
-    # The CWD of this script is a temp directory for a job
-    #
-    # If the compile stage is used, $1 still contains the name of the source file.
-    # It is up to your script to determine the filename of the emitted binary
-    #
-    # No shebang needs to be added to this - that is done automatically.
-    run = ''
-    mv $1 $1.java
-    filename=$1.java
-    shift
-    ${pkg}/bin/java $filename "$@"
-    '';
-
-    # Specify a list of tests.
-    # These should output "OK" to STDOUT if everything looks good
-    #
-    # Run the following command to test the package:
-    # $ ./piston test openjdk11_headless-java
-    tests = [
-        (piston.mkTest {
-            files = {
-                "test.java" = ''
-                    public class HelloWorld {
-                        public static void main(String[] args) {
-                            System.out.println("OK");
-                        }
-                    }
-                '';
-            };
-            args = [];
-            stdin = "";
-            packages = [];
-            main = "test.java";
-        })
-    ];
-}