diff --git a/pandas/tests/indexes/ranges/test_range.py b/pandas/tests/indexes/ranges/test_range.py
index b77289d5aadcd8..e534147c891d2a 100644
--- a/pandas/tests/indexes/ranges/test_range.py
+++ b/pandas/tests/indexes/ranges/test_range.py
@@ -473,17 +473,17 @@ def test_slice_specialised(self, simple_index):
 
         # positive slice values
         index_slice = index[7:10:2]
-        expected = Index(np.array([14, 18]), name="foo")
+        expected = Index([14, 18], name="foo")
         tm.assert_index_equal(index_slice, expected, exact="equiv")
 
         # negative slice values
         index_slice = index[-1:-5:-2]
-        expected = Index(np.array([18, 14]), name="foo")
+        expected = Index([18, 14], name="foo")
         tm.assert_index_equal(index_slice, expected, exact="equiv")
 
         # stop overshoot
         index_slice = index[2:100:4]
-        expected = Index(np.array([4, 12]), name="foo")
+        expected = Index([4, 12], name="foo")
         tm.assert_index_equal(index_slice, expected, exact="equiv")
 
         # reverse
@@ -492,7 +492,7 @@ def test_slice_specialised(self, simple_index):
         tm.assert_index_equal(index_slice, expected, exact="equiv")
 
         index_slice = index[-8::-1]
-        expected = Index(np.array([4, 2, 0]), name="foo")
+        expected = Index([4, 2, 0], name="foo")
         tm.assert_index_equal(index_slice, expected, exact="equiv")
 
         index_slice = index[-40::-1]
diff --git a/pandas/tests/indexing/test_indexing.py b/pandas/tests/indexing/test_indexing.py
index b3e59da4b01306..0149b498a8e95c 100644
--- a/pandas/tests/indexing/test_indexing.py
+++ b/pandas/tests/indexing/test_indexing.py
@@ -41,7 +41,7 @@ def test_setitem_ndarray_1d(self):
         # GH5508
 
         # len of indexer vs length of the 1d ndarray
-        df = DataFrame(index=Index(np.arange(1, 11)))
+        df = DataFrame(index=Index(np.arange(1, 11), dtype=np.int64))
         df["foo"] = np.zeros(10, dtype=np.float64)
         df["bar"] = np.zeros(10, dtype=complex)
 
diff --git a/pandas/tests/io/formats/test_format.py b/pandas/tests/io/formats/test_format.py
index 640c686bb56ca3..f1fa4b57ebdfaf 100644
--- a/pandas/tests/io/formats/test_format.py
+++ b/pandas/tests/io/formats/test_format.py
@@ -1335,7 +1335,6 @@ def test_to_string(self):
         # big mixed
         biggie = DataFrame(
             {"A": np.random.randn(200), "B": tm.makeStringIndex(200)},
-            index=np.arange(200),
         )
 
         biggie.loc[:20, "A"] = np.nan
diff --git a/pandas/tests/io/json/test_pandas.py b/pandas/tests/io/json/test_pandas.py
index 2f3fc4d0fcba8d..223c815c914986 100644
--- a/pandas/tests/io/json/test_pandas.py
+++ b/pandas/tests/io/json/test_pandas.py
@@ -395,7 +395,7 @@ def test_frame_mixedtype_orient(self):  # GH10289
             left = read_json(inp, orient=orient, convert_axes=False)
             tm.assert_frame_equal(left, right)
 
-        right.index = np.arange(len(df))
+        right.index = pd.RangeIndex(len(df))
         inp = df.to_json(orient="records")
         left = read_json(inp, orient="records", convert_axes=False)
         tm.assert_frame_equal(left, right)