diff --git a/src/types/dict.rs b/src/types/dict.rs
index 74e2d79adb5..80d187c175c 100644
--- a/src/types/dict.rs
+++ b/src/types/dict.rs
@@ -591,14 +591,14 @@ mod tests {
     fn test_set_item_refcnt() {
         Python::with_gil(|py| {
             let cnt;
+            let obj = py.eval("object()", None, None).unwrap();
             {
                 let _pool = unsafe { crate::GILPool::new() };
-                let none = py.None();
-                cnt = none.get_refcnt(py);
-                let _dict = [(10, none)].into_py_dict(py);
+                cnt = obj.get_refcnt();
+                let _dict = [(10, obj)].into_py_dict(py);
             }
             {
-                assert_eq!(cnt, py.None().get_refcnt(py));
+                assert_eq!(cnt, obj.get_refcnt());
             }
         });
     }
diff --git a/src/types/iterator.rs b/src/types/iterator.rs
index 71ca5d305b4..7b411bde765 100644
--- a/src/types/iterator.rs
+++ b/src/types/iterator.rs
@@ -155,31 +155,30 @@ mod tests {
     #[test]
     fn iter_item_refcnt() {
         Python::with_gil(|py| {
-            let obj;
-            let none;
             let count;
-            {
+            let obj = py.eval("object()", None, None).unwrap();
+            let list = {
                 let _pool = unsafe { GILPool::new() };
-                let l = PyList::empty(py);
-                none = py.None();
-                l.append(10).unwrap();
-                l.append(&none).unwrap();
-                count = none.get_refcnt(py);
-                obj = l.to_object(py);
-            }
+                let list = PyList::empty(py);
+                list.append(10).unwrap();
+                list.append(obj).unwrap();
+                count = obj.get_refcnt();
+                list.to_object(py)
+            };
 
             {
                 let _pool = unsafe { GILPool::new() };
-                let inst = obj.as_ref(py);
+                let inst = list.as_ref(py);
                 let mut it = inst.iter().unwrap();
 
                 assert_eq!(
                     10_i32,
                     it.next().unwrap().unwrap().extract::<'_, i32>().unwrap()
                 );
-                assert!(it.next().unwrap().unwrap().is_none());
+                assert!(it.next().unwrap().unwrap().is(obj));
+                assert!(it.next().is_none());
             }
-            assert_eq!(count, none.get_refcnt(py));
+            assert_eq!(count, obj.get_refcnt());
         });
     }
 
diff --git a/src/types/list.rs b/src/types/list.rs
index e86086467f9..91de4eb418b 100644
--- a/src/types/list.rs
+++ b/src/types/list.rs
@@ -395,18 +395,18 @@ mod tests {
     #[test]
     fn test_set_item_refcnt() {
         Python::with_gil(|py| {
+            let obj = py.eval("object()", None, None).unwrap();
             let cnt;
             {
                 let _pool = unsafe { crate::GILPool::new() };
                 let v = vec![2];
                 let ob = v.to_object(py);
                 let list: &PyList = ob.downcast(py).unwrap();
-                let none = py.None();
-                cnt = none.get_refcnt(py);
-                list.set_item(0, none).unwrap();
+                cnt = obj.get_refcnt();
+                list.set_item(0, obj).unwrap();
             }
 
-            assert_eq!(cnt, py.None().get_refcnt(py));
+            assert_eq!(cnt, obj.get_refcnt());
         });
     }
 
@@ -431,15 +431,15 @@ mod tests {
     fn test_insert_refcnt() {
         Python::with_gil(|py| {
             let cnt;
+            let obj = py.eval("object()", None, None).unwrap();
             {
                 let _pool = unsafe { crate::GILPool::new() };
                 let list = PyList::empty(py);
-                let none = py.None();
-                cnt = none.get_refcnt(py);
-                list.insert(0, none).unwrap();
+                cnt = obj.get_refcnt();
+                list.insert(0, obj).unwrap();
             }
 
-            assert_eq!(cnt, py.None().get_refcnt(py));
+            assert_eq!(cnt, obj.get_refcnt());
         });
     }
 
@@ -457,14 +457,14 @@ mod tests {
     fn test_append_refcnt() {
         Python::with_gil(|py| {
             let cnt;
+            let obj = py.eval("object()", None, None).unwrap();
             {
                 let _pool = unsafe { crate::GILPool::new() };
                 let list = PyList::empty(py);
-                let none = py.None();
-                cnt = none.get_refcnt(py);
-                list.append(none).unwrap();
+                cnt = obj.get_refcnt();
+                list.append(obj).unwrap();
             }
-            assert_eq!(cnt, py.None().get_refcnt(py));
+            assert_eq!(cnt, obj.get_refcnt());
         });
     }