2 files changed, 4 insertions, 8 deletions
diff --git a/app/models/active_storage/variation.rb b/app/models/active_storage/variation.rb
index f7c81bb99a..b37397fcad 100644
--- a/app/models/active_storage/variation.rb
+++ b/app/models/active_storage/variation.rb
@@ -2,17 +2,15 @@ require "active_support/core_ext/object/inclusion"
 
 # A set of transformations that can be applied to a blob to create a variant.
 class ActiveStorage::Variation
-  class_attribute :verifier
-
   attr_reader :transformations
 
   class << self
     def decode(key)
-      new verifier.verify(key)
+      new ActiveStorage.verifier.verify(key)
     end
 
     def encode(transformations)
-      verifier.generate(transformations)
+      ActiveStorage.verifier.generate(transformations)
     end
   end
 
diff --git a/app/models/active_storage/verified_key_with_expiration.rb b/app/models/active_storage/verified_key_with_expiration.rb
index 4a46483db5..5cb07c6988 100644
--- a/app/models/active_storage/verified_key_with_expiration.rb
+++ b/app/models/active_storage/verified_key_with_expiration.rb
@@ -1,13 +1,11 @@
 class ActiveStorage::VerifiedKeyWithExpiration
-  class_attribute :verifier
-
   class << self
     def encode(key, expires_in: nil)
-      verifier.generate([ key, expires_at(expires_in) ])
+      ActiveStorage.verifier.generate([ key, expires_at(expires_in) ])
     end
 
     def decode(encoded_key)
-      key, expires_at = verifier.verified(encoded_key)
+      key, expires_at = ActiveStorage.verifier.verified(encoded_key)
 
       key if key && fresh?(expires_at)
     end