diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index 72e29c2c9d..bc42d50205 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -534,7 +534,6 @@ module ActionController
             @request.delete_header "HTTP_ACCEPT"
           end
           @request.query_string = ""
-          @request.env.delete "PATH_INFO"
 
           @response.sent!
         end
diff --git a/actionpack/test/controller/test_case_test.rb b/actionpack/test/controller/test_case_test.rb
index 891ce0e905..cd0c790b08 100644
--- a/actionpack/test/controller/test_case_test.rb
+++ b/actionpack/test/controller/test_case_test.rb
@@ -679,6 +679,11 @@ XML
     assert_equal "baz", @request.filtered_parameters[:foo]
   end
 
+  def test_path_is_kept_after_the_request
+    get :test_params, params: { id: "foo" }
+    assert_equal "foo", @request.path
+  end
+
   def test_path_params_reset_between_request
     get :test_params, params: { id: "foo" }
     assert_equal "foo", @request.path_parameters[:id]
@@ -728,20 +733,6 @@ XML
     assert_equal "text/html", @response.body
   end
 
-  def test_request_path_info_and_format_reset
-    get :test_format, format: "json"
-    assert_equal "application/json", @response.body
-
-    get :test_uri, format: "json"
-    assert_equal "/test_case_test/test/test_uri.json", @response.body
-
-    get :test_format
-    assert_equal "text/html", @response.body
-
-    get :test_uri
-    assert_equal "/test_case_test/test/test_uri", @response.body
-  end
-
   def test_request_format_kwarg_overrides_params
     get :test_format, format: "json", params: { format: "html" }
     assert_equal "application/json", @response.body