diff --git a/Dockerfile-Dev-V6 b/Dockerfile-Dev-V6
index b53dfc7..2aae263 100644
--- a/Dockerfile-Dev-V6
+++ b/Dockerfile-Dev-V6
@@ -124,7 +124,6 @@ RUN set -xe; \
     expat && \
   addgroup -S -g 1000 _unbound && \
   adduser -S -H -h /etc -g _unbound -u 1000 -D -G _unbound _unbound && \
-  apk del --no-cache .build-deps && \
   rm -rf \
     /usr/share/man \
     /usr/share/docs \