diff --git a/default.nix b/default.nix
index 3e59059..5abeef6 100644
--- a/default.nix
+++ b/default.nix
@@ -63,6 +63,5 @@ in {
   clean-s3-cache = pkgs.python3Packages.callPackage ./scripts/clean-s3-cache.nix {};
   python-instagram = pkgs.python3Packages.callPackage ./python/instagram.nix {};
   moa = pkgs.python3Packages.callPackage ./moa {};
-  nix-s3-dedup = pkgs.callPackage ./nix {};
   inherit (attic.defaultNix.packages.${pkgs.system}) attic attic-client attic-server;
 }
diff --git a/nix/dedupNixCache.patch b/nix/dedupNixCache.patch
deleted file mode 100644
index 3994ed0..0000000
--- a/nix/dedupNixCache.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
-index 844553ad3..a7a9cd702 100644
---- a/src/libstore/s3-binary-cache-store.cc
-+++ b/src/libstore/s3-binary-cache-store.cc
-@@ -214,6 +214,14 @@ struct S3BinaryCacheStoreImpl : virtual S3BinaryCacheStoreConfig, public virtual
-     Stats stats;
- 
-     S3Helper s3Helper;
-+    ref<Store> mNixosCache;
-+
-+    BinaryCacheStore * nixosCache() {
-+        auto * casted = dynamic_cast<BinaryCacheStore *>(&*this->mNixosCache);
-+        if (!casted)
-+            throw UsageError("cache.nixos.org is not a BinaryCacheStore");
-+        return casted;
-+    }
- 
-     S3BinaryCacheStoreImpl(
-         const std::string & uriScheme,
-@@ -227,6 +235,7 @@ struct S3BinaryCacheStoreImpl : virtual S3BinaryCacheStoreConfig, public virtual
-         , S3BinaryCacheStore(params)
-         , bucketName(bucketName)
-         , s3Helper(profile, region, scheme, endpoint)
-+        , mNixosCache(openStore("https://cache.nixos.org/"))
-     {
-         diskCache = getNarInfoDiskCache();
-     }
-@@ -268,6 +277,8 @@ struct S3BinaryCacheStoreImpl : virtual S3BinaryCacheStoreConfig, public virtual
- 
-     bool fileExists(const std::string & path) override
-     {
-+        if(this->nixosCache()->fileExists(path))
-+            return true;
-         stats.head++;
- 
-         auto res = s3Helper.client->HeadObject(
-@@ -389,6 +400,8 @@ struct S3BinaryCacheStoreImpl : virtual S3BinaryCacheStoreConfig, public virtual
-         std::shared_ptr<std::basic_iostream<char>> istream,
-         const std::string & mimeType) override
-     {
-+        if(this->nixosCache()->fileExists(path))
-+            return;
-         auto compress = [&](std::string compression)
-         {
-             auto compressed = nix::compress(compression, StreamToSourceAdapter(istream).drain());
-@@ -407,6 +420,8 @@ struct S3BinaryCacheStoreImpl : virtual S3BinaryCacheStoreConfig, public virtual
- 
-     void getFile(const std::string & path, Sink & sink) override
-     {
-+        if(this->nixosCache()->fileExists(path))
-+            return this->nixosCache()->getFile(path, sink);
-         stats.get++;
- 
-         // FIXME: stream output to sink.
diff --git a/nix/default.nix b/nix/default.nix
deleted file mode 100644
index 7ee0351..0000000
--- a/nix/default.nix
+++ /dev/null
@@ -1,8 +0,0 @@
-{nix}:
-nix.overrideAttrs (super: {
-  patches =
-    (super.patches or [])
-    ++ [
-      ./dedupNixCache.patch
-    ];
-})