diff --git a/.gitlab-ci/debug-aws.patch b/.gitlab-ci/debug-aws.patch
deleted file mode 100644
index f4a250b96..000000000
--- a/.gitlab-ci/debug-aws.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-diff --git a/src/libstore/filetransfer.cc b/src/libstore/filetransfer.cc
-index 514ab3bf9..25dab18bb 100644
---- a/src/libstore/filetransfer.cc
-+++ b/src/libstore/filetransfer.cc
-@@ -696,6 +696,8 @@ struct curlFileTransfer : public FileTransfer
-                 std::string scheme = get(params, "scheme").value_or("");
-                 std::string endpoint = get(params, "endpoint").value_or("");
- 
-+                debug("enqueueFileTransfer: scheme: %s", scheme);
-+
-                 S3Helper s3Helper(profile, region, scheme, endpoint);
- 
-                 // FIXME: implement ETag
-diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
-index 6bfbee044..ff406e5e4 100644
---- a/src/libstore/s3-binary-cache-store.cc
-+++ b/src/libstore/s3-binary-cache-store.cc
-@@ -126,6 +126,7 @@ ref<Aws::Client::ClientConfiguration> S3Helper::makeConfig(const string & region
-     initAWS();
-     auto res = make_ref<Aws::Client::ClientConfiguration>();
-     res->region = region;
-+    debug("configuring scheme %s", scheme);
-     if (!scheme.empty()) {
-         res->scheme = Aws::Http::SchemeMapper::FromString(scheme.c_str());
-     }
diff --git a/.gitlab-ci/debug-aws.patch.license b/.gitlab-ci/debug-aws.patch.license
deleted file mode 100644
index 0544bf968..000000000
--- a/.gitlab-ci/debug-aws.patch.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
-
-SPDX-License-Identifier: AGPL-3.0-or-later
diff --git a/.gitlab-ci/fix-aws-scheme.patch b/.gitlab-ci/fix-aws-scheme.patch
deleted file mode 100644
index ac9416262..000000000
--- a/.gitlab-ci/fix-aws-scheme.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
-index 6bfbee044..51d86c4e6 100644
---- a/src/libstore/s3-binary-cache-store.cc
-+++ b/src/libstore/s3-binary-cache-store.cc
-@@ -209,7 +209,7 @@ struct S3BinaryCacheStoreImpl : virtual S3BinaryCacheStoreConfig, public virtual
-     S3Helper s3Helper;
- 
-     S3BinaryCacheStoreImpl(
--        const std::string & scheme,
-+        const std::string & uriScheme,
-         const std::string & bucketName,
-         const Params & params)
-         : StoreConfig(params)
diff --git a/.gitlab-ci/fix-aws-scheme.patch.license b/.gitlab-ci/fix-aws-scheme.patch.license
deleted file mode 100644
index 0544bf968..000000000
--- a/.gitlab-ci/fix-aws-scheme.patch.license
+++ /dev/null
@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
-
-SPDX-License-Identifier: AGPL-3.0-or-later
diff --git a/.gitlab-ci/make-minio-bucket.sh b/.gitlab-ci/make-minio-bucket.sh
deleted file mode 100755
index b8542b5be..000000000
--- a/.gitlab-ci/make-minio-bucket.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env bash
-
-# SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
-#
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-#!/usr/bin/bash
-
-export MC_HOST_minio=http://$(cat /minio-gitlab-runner-cache/accesskey):$(cat /minio-gitlab-runner-cache/secretkey)@minio-gitlab-runner-cache
-
-mc mb --ignore-existing minio/nix-cache
diff --git a/.gitlab-ci/patched-nix.nix b/.gitlab-ci/patched-nix.nix
deleted file mode 100644
index d2951df8d..000000000
--- a/.gitlab-ci/patched-nix.nix
+++ /dev/null
@@ -1,8 +0,0 @@
-# SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
-#
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-{ pkgs ? import <nixpkgs> {} }:
-pkgs.nixUnstable.overrideAttrs (oldAttrs: {
-  patches = oldAttrs.patches or [] ++ [ ./fix-aws-scheme.patch ];
-})
diff --git a/.gitlab-ci/upload-to-cache.sh b/.gitlab-ci/upload-to-cache.sh
deleted file mode 100755
index c2ea9bc7e..000000000
--- a/.gitlab-ci/upload-to-cache.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-# SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
-#
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-#!/usr/bin/bash
-
-set -eu
-set -f # disable globbing
-export IFS=' '
-
-echo "Signing and uploading paths" $OUT_PATHS
-exec nix copy --to "s3://nix-cache?region=us-east-1&scheme=http&endpoint=minio-gitlab-runner-cache&secret-key=${NIX_CACHE_KEYFILE}" $OUT_PATHS
diff --git a/.gitlab-ci/write-minio-creds.sh b/.gitlab-ci/write-minio-creds.sh
deleted file mode 100755
index fb3387fa2..000000000
--- a/.gitlab-ci/write-minio-creds.sh
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-# SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
-#
-# SPDX-License-Identifier: AGPL-3.0-or-later
-
-#!/usr/bin/bash
-
-mkdir -p $(dirname ${AWS_SHARED_CREDENTIALS_FILE})
-cat > ${AWS_SHARED_CREDENTIALS_FILE} <<EOF
-[default]
-aws_access_key_id = $(cat /minio-gitlab-runner-cache/accesskey)
-aws_secret_access_key = $(cat /minio-gitlab-runner-cache/secretkey)
-EOF