diff --git a/tests/all-package-defaults.nix b/tests/all-package-defaults.nix
index c6b40ded..551b7bca 100644
--- a/tests/all-package-defaults.nix
+++ b/tests/all-package-defaults.nix
@@ -13,6 +13,9 @@ let
   };
 
   disabledPackages = [
+    # 2026-02-02 build failure
+    "crystalline"
+
     # 2026-01-22 build failure
     "shopify"
 
diff --git a/tests/lsp-servers.nix b/tests/lsp-servers.nix
index fbb2f7b1..814b3ccb 100644
--- a/tests/lsp-servers.nix
+++ b/tests/lsp-servers.nix
@@ -37,6 +37,9 @@ let
     let
 
       disabled = [
+        # 2026-02-02 build failure
+        "crystalline"
+
         # TODO: 2025-07-25 build failure
         "mint"