diff --git a/file_storage.gemspec b/file_storage.gemspec
index 519f3c7..3e11b9c 100644
--- a/file_storage.gemspec
+++ b/file_storage.gemspec
@@ -14,7 +14,6 @@ Gem::Specification.new do |s|
 
   s.files = Dir["lib/**/*", "README.md"]
 
-  s.add_dependency "activesupport", ">= 6.0", "< 7"
   s.add_dependency "google-cloud-storage", "~> 1.29"
 
   s.add_development_dependency "gc_ruboconfig", "~> 2.23"
diff --git a/lib/file_storage.rb b/lib/file_storage.rb
index 7231a41..4208a05 100644
--- a/lib/file_storage.rb
+++ b/lib/file_storage.rb
@@ -1,8 +1,5 @@
 # frozen_string_literal: true
 
-require "active_support"
-require "active_support/core_ext/string/access"
-
 require "uri"
 require "loggy"