diff --git a/core/math/atanh_spec.rb b/core/math/atanh_spec.rb
index 21fb209941..edcb8f2e52 100644
--- a/core/math/atanh_spec.rb
+++ b/core/math/atanh_spec.rb
@@ -1,6 +1,6 @@
 require_relative '../../spec_helper'
-require_relative '../../fixtures/math/common'
-require_relative '../../shared/math/atanh'
+require_relative 'fixtures/common'
+require_relative 'shared/atanh'
 
 describe "Math.atanh" do
   it_behaves_like :math_atanh_base, :atanh, Math
diff --git a/fixtures/math/common.rb b/core/math/fixtures/common.rb
similarity index 100%
rename from fixtures/math/common.rb
rename to core/math/fixtures/common.rb
diff --git a/shared/math/atanh.rb b/core/math/shared/atanh.rb
similarity index 100%
rename from shared/math/atanh.rb
rename to core/math/shared/atanh.rb