diff --git a/Dockerfile b/Dockerfile
index e7251e8..ca502dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,10 +4,9 @@ FROM debian:stable
 RUN sed -i 's@deb.debian.org@apt-cache.lan/deb.debian.org@g' /etc/apt/sources.list && \
 	sed -i 's@security.debian.org@apt-cache.lan/security.debian.org@g' /etc/apt/sources.list && \
     echo 'deb-src http://apt-cache.lan/deb.debian.org/debian stable main' > /etc/apt/sources.list.d/src.list && \
-    dpkg --add-architecture armhf && \
     apt-get update -y && \
 	apt-get install -y build-essential dpkg-dev dpkg-cross \
-	devscripts gcc make ccache distcc \ 
+	devscripts gcc make ccache distcc flex bison \ 
 	gcc-arm-linux-gnueabihf gcc-arm-linux-gnueabi && \
 	apt-get remove --purge -y exim* && \
 	apt-get autoremove --purge -y && \
diff --git a/kernel-build.yaml b/kernel-build.yaml
index c55015a..68ec455 100644
--- a/kernel-build.yaml
+++ b/kernel-build.yaml
@@ -15,13 +15,6 @@ spec:
       - name: kernel-configs
         type: git
   steps:
-    - name: cleanup-workspace-pre
-      image: alpine
-      command:
-        - rm
-      args:
-        - -rfv
-        - /workspace/kernel-configs*
     - name: install-kernel-source
       image: cr.lan/debian-kernel-build-stable
       script: |
@@ -60,8 +53,8 @@ spec:
   workspaces:
   - name: usr-src
     mountPath: /usr/src
-  - name: workspace
-    mountPath: /workspace
+#  - name: workspace
+#    mountPath: /workspace
 ---
 apiVersion: tekton.dev/v1beta1
 kind: TaskRun