diff --git a/pkgs/development/libraries/alembic/default.nix b/pkgs/development/libraries/alembic/default.nix
index 4ab09f5bb1d..bd540cdd500 100644
--- a/pkgs/development/libraries/alembic/default.nix
+++ b/pkgs/development/libraries/alembic/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation rec
 
   buildInputs = [ unzip cmake openexr hdf5 ];
 
-  sourceRoot = "${name}-src";
-
   enableParallelBuilding = true;
 
   buildPhase = ''