diff --git a/lib/mrsk/commands/builder/base.rb b/lib/mrsk/commands/builder/base.rb
index 237d06ca..a811afbd 100644
--- a/lib/mrsk/commands/builder/base.rb
+++ b/lib/mrsk/commands/builder/base.rb
@@ -2,6 +2,7 @@ require "mrsk/commands/base"
 
 class Mrsk::Commands::Builder::Base < Mrsk::Commands::Base
   delegate :argumentize, :secretize, to: Mrsk::Configuration
+  delegate :secretize, to: Mrsk::Utils
 
   def pull
     docker :pull, config.absolute_image
@@ -12,7 +13,7 @@ class Mrsk::Commands::Builder::Base < Mrsk::Commands::Base
   end
 
   def build_secrets
-    secretize "--secret", secrets
+    argumentize "--secret", secrets.collect { |secret| [ "id", secret ] }
   end
 
   private
diff --git a/lib/mrsk/configuration.rb b/lib/mrsk/configuration.rb
index 5efa5dac..ad5b1225 100644
--- a/lib/mrsk/configuration.rb
+++ b/lib/mrsk/configuration.rb
@@ -22,10 +22,6 @@ class Mrsk::Configuration
       attributes.flat_map { |k, v| [ argument, redacted ? Mrsk::Utils.redact("#{k}=#{v}") : "#{k}=#{v}" ] }
     end
 
-    def secretize(secret, keys)
-      keys.flat_map { |key| [ secret, "id=#{key}" ] }
-    end
-
     private
       def load_config_file(file)
         if file.exist?