diff --git a/tests/test-sources/plugins/lsp/_lsp.nix b/tests/test-sources/plugins/lsp/_lsp.nix
index 8e09b548..95383d66 100644
--- a/tests/test-sources/plugins/lsp/_lsp.nix
+++ b/tests/test-sources/plugins/lsp/_lsp.nix
@@ -131,7 +131,9 @@
             # As of 2024-01-04, ols is broken on darwin
             # TODO: re-enable this test when fixed
             && !pkgs.stdenv.isDarwin;
-          omnisharp.enable = true;
+          # As of 2024-03-05, omnisharp-roslyn is broken on darwin
+          # TODO: re-enable this test when fixed
+          omnisharp.enable = !pkgs.stdenv.isDarwin;
           perlpls.enable = true;
           pest_ls.enable = true;
           prismals.enable = true;
diff --git a/tests/test-sources/plugins/lsp/omnisharp.nix b/tests/test-sources/plugins/lsp/omnisharp.nix
index 7e8e9880..7aa7ebcd 100644
--- a/tests/test-sources/plugins/lsp/omnisharp.nix
+++ b/tests/test-sources/plugins/lsp/omnisharp.nix
@@ -1,10 +1,12 @@
-{
+{pkgs, ...}: {
   defaults = {
     plugins.lsp = {
       enable = true;
 
       servers.omnisharp = {
-        enable = true;
+        # As of 2024-03-05, omnisharp-roslyn is broken on darwin
+        # TODO: re-enable this test when fixed
+        enable = !pkgs.stdenv.isDarwin;
 
         settings = {
           enableEditorConfigSupport = true;