diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix
index 940bd09425d2d..abe902f91190f 100644
--- a/pkgs/build-support/rust/default.nix
+++ b/pkgs/build-support/rust/default.nix
@@ -14,7 +14,6 @@
 , git
 , rust
 , rustc
-, libiconv
 , windows
 }:
 
@@ -119,7 +118,6 @@ stdenv.mkDerivation ((removeAttrs args ["depsExtraArgs"]) // lib.optionalAttrs u
   ];
 
   buildInputs = buildInputs
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ]
     ++ lib.optionals stdenv.hostPlatform.isMinGW [ windows.pthreads ];
 
   patches = cargoPatches ++ patches;