diff --git a/config/ccs/default.nix b/config/ccs/default.nix
index a3db8671b..c74ef78e8 100644
--- a/config/ccs/default.nix
+++ b/config/ccs/default.nix
@@ -8,9 +8,10 @@ let
   dotfilesDir = "${config.home.homeDirectory}/dotfiles";
 
   # Hydration script for CCS provider settings
-  hydrateScript = pkgs.replaceVars ./hydrate.sh {
-    sed = "${pkgs.gnused}/bin/sed";
-  };
+  # Use writeText instead of replaceVars to avoid builtins.toFile context warnings
+  hydrateScript = pkgs.writeText "hydrate.sh" (
+    builtins.replaceStrings [ "@sed@" ] [ "${pkgs.gnused}/bin/sed" ] (builtins.readFile ./hydrate.sh)
+  );
 in
 {
   # CCS (Claude Code Switcher) account registry
diff --git a/home-manager/default.nix b/home-manager/default.nix
index 6f207375b..7e3cf0ac8 100644
--- a/home-manager/default.nix
+++ b/home-manager/default.nix
@@ -36,6 +36,9 @@ in
   home.packages = packages;
   home.stateVersion = "24.11";
 
+  # Suppress home-manager manual options.json generation warning.
+  manual.manpages.enable = false;
+
   accounts.email.accounts = {
     Gmail = {
       primary = true;