diff --git a/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix b/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix
index eba2a0b0a109..cf7bf881a8f0 100644
--- a/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix
+++ b/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix
@@ -25,7 +25,7 @@
 
 let
   v8 = v8_3_16_14;
-  mysql = (import <nixpkgs> {}).mysql;
+  mysql = assert false; (import <nixpkgs> {}).mysql;
 
 in
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index eb6fb098a9ed..732b7612fcf0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1735,7 +1735,7 @@ let
 
   kexectools = callPackage ../os-specific/linux/kexectools { };
 
-  keybase-node-client = callPackage ../applications/misc/keybase-node-client { };
+  #keybase-node-client = callPackage ../applications/misc/keybase-node-client { };
 
   keychain = callPackage ../tools/misc/keychain { };