diff --git a/nixops/desktop.nix b/nixops/desktop.nix
index d9864bc6..ca27193b 100644
--- a/nixops/desktop.nix
+++ b/nixops/desktop.nix
@@ -161,6 +161,6 @@ in
   nix.sandboxPaths = ["/opt"];
 
   nix.extraOptions = ''
-    experimental-features = nix-command flakes ca-derivations impure-derivations
+    experimental-features = nix-command flakes impure-derivations
   '';
 }
diff --git a/nixops/light.nix b/nixops/light.nix
index c28c0b89..1227ccce 100644
--- a/nixops/light.nix
+++ b/nixops/light.nix
@@ -135,6 +135,6 @@ in
   nix.sandboxPaths = ["/opt"];
 
   nix.extraOptions = ''
-    experimental-features = nix-command flakes ca-derivations impure-derivations
+    experimental-features = nix-command flakes impure-derivations
   '';
 }
diff --git a/nixops/rpi-server.nix b/nixops/rpi-server.nix
index 5c377585..edfed2b4 100644
--- a/nixops/rpi-server.nix
+++ b/nixops/rpi-server.nix
@@ -143,6 +143,6 @@
   nix.trustedUsers = ["root" "nix"];
 
   nix.extraOptions = ''
-    experimental-features = nix-command flakes ca-derivations impure-derivations
+    experimental-features = nix-command flakes impure-derivations
   '';
 }
diff --git a/nixops/rpi.nix b/nixops/rpi.nix
index e514b49e..15cda45f 100644
--- a/nixops/rpi.nix
+++ b/nixops/rpi.nix
@@ -85,6 +85,6 @@ in
   nix.trustedUsers = ["root" "nix" "sb"];
 
   nix.extraOptions = ''
-    experimental-features = nix-command flakes ca-derivations impure-derivations
+    experimental-features = nix-command flakes impure-derivations
   '';
 }