1 files changed, 4 insertions, 6 deletions
diff --git a/spec/ruby/library/matrix/inv_spec.rb b/spec/ruby/library/matrix/inv_spec.rb
index 0ad817a253..02684030d2 100644
--- a/spec/ruby/library/matrix/inv_spec.rb
+++ b/spec/ruby/library/matrix/inv_spec.rb
@@ -1,10 +1,8 @@
 require_relative '../../spec_helper'
+require 'matrix'
 
-ruby_version_is ""..."3.1" do
-  require_relative 'spec_helper'
-  require_relative 'shared/inverse'
-
-  describe "Matrix#inv" do
-    it_behaves_like :inverse, :inv
+describe "Matrix#inv" do
+  it "is an alias of Matrix#inverse" do
+    Matrix.instance_method(:inv).should == Matrix.instance_method(:inverse)
   end
 end