1 files changed, 21 insertions, 24 deletions
diff --git a/spec/ruby/library/matrix/symmetric_spec.rb b/spec/ruby/library/matrix/symmetric_spec.rb
index 9eed28ac0d..6f2a99276a 100644
--- a/spec/ruby/library/matrix/symmetric_spec.rb
+++ b/spec/ruby/library/matrix/symmetric_spec.rb
@@ -1,32 +1,29 @@
 require_relative '../../spec_helper'
+require 'matrix'
 
-ruby_version_is ""..."3.1" do
-  require 'matrix'
-
-  describe "Matrix.symmetric?" do
-    it "returns true for a symmetric Matrix" do
-      Matrix[[1, 2, Complex(0, 3)], [2, 4, 5], [Complex(0, 3), 5, 6]].symmetric?.should be_true
-    end
+describe "Matrix.symmetric?" do
+  it "returns true for a symmetric Matrix" do
+    Matrix[[1, 2, Complex(0, 3)], [2, 4, 5], [Complex(0, 3), 5, 6]].symmetric?.should be_true
+  end
 
-    it "returns true for a 0x0 empty matrix" do
-      Matrix.empty.symmetric?.should be_true
-    end
+  it "returns true for a 0x0 empty matrix" do
+    Matrix.empty.symmetric?.should be_true
+  end
 
-    it "returns false for an asymmetric Matrix" do
-      Matrix[[1, 2],[-2, 1]].symmetric?.should be_false
-    end
+  it "returns false for an asymmetric Matrix" do
+    Matrix[[1, 2],[-2, 1]].symmetric?.should be_false
+  end
 
-    it "raises an error for rectangular matrices" do
-      [
-        Matrix[[0], [0]],
-        Matrix[[0, 0]],
-        Matrix.empty(0, 2),
-        Matrix.empty(2, 0),
-      ].each do |rectangular_matrix|
-        -> {
-          rectangular_matrix.symmetric?
-        }.should raise_error(Matrix::ErrDimensionMismatch)
-      end
+  it "raises an error for rectangular matrices" do
+    [
+      Matrix[[0], [0]],
+      Matrix[[0, 0]],
+      Matrix.empty(0, 2),
+      Matrix.empty(2, 0),
+    ].each do |rectangular_matrix|
+      -> {
+        rectangular_matrix.symmetric?
+      }.should raise_error(Matrix::ErrDimensionMismatch)
     end
   end
 end