diff --git a/.cloudbuild/dev.yaml b/.cloudbuild/dev.yaml
index 0a8919477..8af553094 100644
--- a/.cloudbuild/dev.yaml
+++ b/.cloudbuild/dev.yaml
@@ -1,6 +1,6 @@
 steps:
   - name: gcr.io/cloud-builders/docker
-    args: ['build', '-t', 'gcr.io/$PROJECT_ID/dendrite-monolith:$COMMIT_SHA', '-f', 'build/docker/Dockerfile.monolith', '.']
+    args: ['build', '-t', 'gcr.io/$PROJECT_ID/dendrite-monolith:$COMMIT_SHA', '-f', 'Dockerfile', '.']
   - name: gcr.io/cloud-builders/kubectl
     args: ['-n', 'dendrite', 'set', 'image', 'deployment/dendrite', 'dendrite=gcr.io/$PROJECT_ID/dendrite-monolith:$COMMIT_SHA']
     env:
diff --git a/.cloudbuild/prod.yaml b/.cloudbuild/prod.yaml
index 145d86752..68f67b858 100644
--- a/.cloudbuild/prod.yaml
+++ b/.cloudbuild/prod.yaml
@@ -1,6 +1,6 @@
 steps:
   - name: gcr.io/cloud-builders/docker
-    args: ['build', '-t', 'gcr.io/$PROJECT_ID/dendrite-monolith:$TAG_NAME', '-f', 'build/docker/Dockerfile.monolith', '.']
+    args: ['build', '-t', 'gcr.io/$PROJECT_ID/dendrite-monolith:$TAG_NAME', '-f', 'Dockerfile', '.']
   - name: gcr.io/cloud-builders/kubectl
     args: ['set', 'image', 'deployment/dendrite', 'dendrite=gcr.io/$PROJECT_ID/dendrite-monolith:$TAG_NAME']
     env:
diff --git a/Dockerfile b/Dockerfile
index 499992343..9037055e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,19 +35,6 @@ LABEL org.opencontainers.image.vendor="The Matrix.org Foundation C.I.C."
 RUN addgroup dendrite && adduser dendrite -G dendrite -u 1337 -D
 USER dendrite
 
-#
-# Builds the polylith image and only contains the polylith binary
-#
-FROM dendrite-base AS polylith
-LABEL org.opencontainers.image.title="Dendrite (Polylith)"
-
-COPY --from=build /out/dendrite-polylith-multi /usr/bin/
-
-VOLUME /etc/dendrite
-WORKDIR /etc/dendrite
-
-ENTRYPOINT ["/usr/bin/dendrite-polylith-multi"]
-
 #
 # Builds the monolith image and contains all required binaries
 #