diff --git a/depends.tup b/depends.tup
index 878dcb6..6b4ec7b 100644
--- a/depends.tup
+++ b/depends.tup
@@ -1,7 +1,5 @@
 include ../preserves-nim/depends.tup
-include ../taps/depends.tup
 NIM_FLAGS += --path:$(TUP_CWD)/../nim
 NIM_FLAGS += --path:$(TUP_CWD)/../preserves-nim/src
-NIM_FLAGS += --path:$(TUP_CWD)/../taps/src
 NIM_FLAGS += --path:$(TUP_CWD)/../hashlib
 NIM_GROUPS += $(TUP_CWD)/<protocol>
diff --git a/shell.nix b/shell.nix
index 5b48a32..24f8937 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,5 +1,2 @@
-let
-  syndicate = builtins.getFlake "syndicate";
-  pkgs =
-    import <nixpkgs> { overlays = builtins.attrValues syndicate.overlays; };
-in pkgs.nim2Packages.syndicate
+{ pkgs ? import <nixpkgs> { } }:
+pkgs.nim2Packages.buildNimPackage { name = "dummy"; }
diff --git a/syndicate.nimble b/syndicate.nimble
index 82a06bd..5aa2d31 100644
--- a/syndicate.nimble
+++ b/syndicate.nimble
@@ -9,4 +9,4 @@ srcDir        = "src"
 
 # Dependencies
 
-requires "hashlib", "nim >= 2.0.0", "preserves >= 20230816", "taps >= 20221119"
+requires "https://github.com/khchen/hashlib.git#84e0247555e4488594975900401baaf5bbbfb531", "nim >= 2.0.0", "https://git.syndicate-lang.org/ehmry/preserves-nim.git >= 20230816"