diff --git a/pkgs/by-name/pg/pgcopydb/package.nix b/pkgs/by-name/pg/pgcopydb/package.nix
index d55a72b2a7d3..f9ba308e0b30 100644
--- a/pkgs/by-name/pg/pgcopydb/package.nix
+++ b/pkgs/by-name/pg/pgcopydb/package.nix
@@ -31,18 +31,11 @@ clangStdenv.mkDerivation (finalAttrs: {
     postgresql.pg_config
   ];
 
-  buildInputs = [
+  buildInputs = postgresql.buildInputs ++ [
     boehmgc
-    libkrb5
-    openssl
     postgresql
-    readline
     sqlite
-    zlib
     python3Packages.sphinxHook
-  ]
-  ++ lib.optionals clangStdenv.hostPlatform.isLinux [
-    pam
   ];
 
   hardeningDisable = [ "format" ];