diff --git a/highline.gemspec b/highline.gemspec
index 052872e..80cb73c 100644
--- a/highline.gemspec
+++ b/highline.gemspec
@@ -29,7 +29,6 @@ DESCRIPTION
 
   spec.required_ruby_version = ">= 3.0"
 
-  spec.add_runtime_dependency "abbrev"
   spec.add_development_dependency "bundler"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "minitest"
diff --git a/lib/highline.rb b/lib/highline.rb
index 8d0e33b..5a002da 100644
--- a/lib/highline.rb
+++ b/lib/highline.rb
@@ -14,7 +14,6 @@
 require "erb"
 require "optparse"
 require "stringio"
-require "abbrev"
 require "highline/terminal"
 require "highline/custom_errors"
 require "highline/question"