diff --git a/pkgs/servers/nosql/mongodb/v3_6.nix b/pkgs/servers/nosql/mongodb/v3_6.nix
index 08dfc45ead1e..9a6379fac440 100644
--- a/pkgs/servers/nosql/mongodb/v3_6.nix
+++ b/pkgs/servers/nosql/mongodb/v3_6.nix
@@ -13,7 +13,6 @@ in buildMongoDB {
   sha256 = "sha256-EJpIerW4zcGJvHfqJ65fG8yNsLRlUnRkvYfC+jkoFJ4=";
   patches = [ ./forget-build-dependencies.patch ]
     ++ lib.optionals stdenv.isDarwin [
-      ./asio-no-experimental-string-view.patch
       (fetchpatch {
         name = "fix double link of isNamedError.";
         url = "https://github.com/mongodb/mongo/commit/9c6751b9765d269b667324bb2efe1ca76a916d20.patch";
diff --git a/pkgs/servers/nosql/mongodb/v4_0.nix b/pkgs/servers/nosql/mongodb/v4_0.nix
index a77d5fee2f29..1235123c94a2 100644
--- a/pkgs/servers/nosql/mongodb/v4_0.nix
+++ b/pkgs/servers/nosql/mongodb/v4_0.nix
@@ -22,7 +22,6 @@ in buildMongoDB {
     })
   ]
     ++ lib.optionals stdenv.isDarwin [
-      ./asio-no-experimental-string-view.patch
       (fetchpatch {
         name = "fix double link of isNamedError.";
         url = "https://github.com/mongodb/mongo/commit/9c6751b9765d269b667324bb2efe1ca76a916d20.patch";