diff --git a/Dockerfile.dapper096384309 b/Dockerfile.dapper096384309
deleted file mode 100644
index f593136b07..0000000000
--- a/Dockerfile.dapper096384309
+++ /dev/null
@@ -1,2 +0,0 @@
-FROM k3s:issue-3234
-COPY . /go/src/github.com/rancher/k3s/
\ No newline at end of file
diff --git a/Dockerfile.dapper203010478 b/Dockerfile.dapper203010478
deleted file mode 100644
index 1b34d5a23a..0000000000
--- a/Dockerfile.dapper203010478
+++ /dev/null
@@ -1,53 +0,0 @@
-ARG GOLANG=golang:1.16.2-alpine3.12
-FROM ${GOLANG}
-
-ARG http_proxy=$http_proxy
-ARG https_proxy=$https_proxy
-ARG no_proxy=$no_proxy
-ENV http_proxy=$http_proxy
-ENV https_proxy=$https_proxy
-ENV no_proxy=$no_proxy
-
-RUN apk -U --no-cache add bash git gcc musl-dev docker vim less file curl wget ca-certificates jq linux-headers \
-    zlib-dev tar zip squashfs-tools npm coreutils python2 openssl-dev libffi-dev libseccomp libseccomp-dev make \
-    libuv-static sqlite-dev sqlite-static libselinux libselinux-dev zlib-dev zlib-static zstd gzip alpine-sdk binutils-gold
-RUN if [ "$(go env GOARCH)" = "arm64" ]; then                                                               \
-    wget https://github.com/aquasecurity/trivy/releases/download/v0.16.0/trivy_0.16.0_Linux-ARM64.tar.gz && \
-    tar -zxvf trivy_0.16.0_Linux-ARM64.tar.gz                                                            && \
-    mv trivy /usr/local/bin;                                                                                \
-    elif [ "$(go env GOARCH)" = "arm" ]; then                                                               \
-    wget https://github.com/aquasecurity/trivy/releases/download/v0.16.0/trivy_0.16.0_Linux-ARM.tar.gz   && \
-    tar -zxvf trivy_0.16.0_Linux-ARM.tar.gz                                                              && \
-    mv trivy /usr/local/bin;                                                                                \
-    else                                                                                                    \
-    wget https://github.com/aquasecurity/trivy/releases/download/v0.16.0/trivy_0.16.0_Linux-64bit.tar.gz && \
-    tar -zxvf trivy_0.16.0_Linux-64bit.tar.gz                                                            && \
-    mv trivy /usr/local/bin;                                                                                \
-    fi
-# this works for both go 1.15 and 1.16
-RUN GO111MODULE=on GOPROXY=direct go get golang.org/x/tools/cmd/goimports@gopls/v0.6.9
-RUN rm -rf /go/src /go/pkg
-
-RUN if [ "$(go env GOARCH)" = "amd64" ]; then \
-    curl -sL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s v1.38.0; \
-    fi
-
-ENV YQ_URL=https://github.com/mikefarah/yq/releases/download/v4.6.2/yq_linux
-RUN wget -O - ${YQ_URL}_$(go env GOARCH) > /usr/bin/yq && chmod +x /usr/bin/yq
-
-ARG SELINUX=true
-ENV SELINUX $SELINUX
-
-ENV GO111MODULE off
-ENV DAPPER_RUN_ARGS --privileged -v k3s-cache:/go/src/github.com/rancher/k3s/.cache -v trivy-cache:/root/.cache/trivy
-ENV DAPPER_ENV REPO TAG DRONE_TAG IMAGE_NAME SKIP_VALIDATE GCLOUD_AUTH GITHUB_TOKEN GOLANG
-ENV DAPPER_SOURCE /go/src/github.com/rancher/k3s/
-ENV DAPPER_OUTPUT ./bin ./dist ./build/out
-ENV DAPPER_DOCKER_SOCKET true
-ENV HOME ${DAPPER_SOURCE}
-ENV CROSS true
-ENV STATIC_BUILD true
-WORKDIR ${DAPPER_SOURCE}
-
-ENTRYPOINT ["./scripts/entry.sh"]
-CMD ["ci"]