diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index d363d2e87b69..dd599f67bc06 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -314,9 +314,6 @@ self: super: builtins.intersectAttrs super {
   # https://github.com/bos/pcap/issues/5
   pcap = addExtraLibrary super.pcap pkgs.libpcap;
 
-  # https://github.com/snoyberg/yaml/issues/106
-  yaml = disableCabalFlag super.yaml "system-libyaml";
-
   # The cabal files for these libraries do not list the required system dependencies.
   miniball = overrideCabal super.miniball (drv: {
     librarySystemDepends = [ pkgs.miniball ];