diff --git a/pandas/tests/extension/decimal/__init__.py b/pandas/tests/extension/decimal/__init__.py
index 6bdfa0e05e0a0..c37aad0af8407 100644
--- a/pandas/tests/extension/decimal/__init__.py
+++ b/pandas/tests/extension/decimal/__init__.py
@@ -1,4 +1,4 @@
-from .array import DecimalArray, DecimalDtype
+from .array import DecimalArray, DecimalDtype, to_decimal, make_data
 
 
 __all__ = ['DecimalArray', 'DecimalDtype', 'to_decimal', 'make_data']
diff --git a/pandas/tests/extension/decimal/array.py b/pandas/tests/extension/decimal/array.py
index f324cc2e0f345..79e1a692f744a 100644
--- a/pandas/tests/extension/decimal/array.py
+++ b/pandas/tests/extension/decimal/array.py
@@ -1,5 +1,6 @@
 import decimal
 import numbers
+import random
 import sys
 
 import numpy as np
@@ -142,5 +143,9 @@ def to_decimal(values, context=None):
     return DecimalArray([decimal.Decimal(x) for x in values], context=context)
 
 
+def make_data():
+    return [decimal.Decimal(random.random()) for _ in range(100)]
+
+
 DecimalArray._add_arithmetic_ops()
 DecimalArray._add_comparison_ops()
diff --git a/pandas/tests/extension/decimal/test_decimal.py b/pandas/tests/extension/decimal/test_decimal.py
index 024f758943649..64872eba6f8f0 100644
--- a/pandas/tests/extension/decimal/test_decimal.py
+++ b/pandas/tests/extension/decimal/test_decimal.py
@@ -1,7 +1,6 @@
 import operator
 import decimal
 
-import random
 import numpy as np
 import pandas as pd
 import pandas.util.testing as tm
@@ -9,11 +8,7 @@
 
 from pandas.tests.extension import base
 
-from .array import DecimalDtype, DecimalArray
-
-
-def make_data():
-    return [decimal.Decimal(random.random()) for _ in range(100)]
+from .array import DecimalDtype, DecimalArray, make_data
 
 
 @pytest.fixture
diff --git a/pandas/tests/extension/json/array.py b/pandas/tests/extension/json/array.py
index 6ce0d63eb63ec..87876d84bef99 100644
--- a/pandas/tests/extension/json/array.py
+++ b/pandas/tests/extension/json/array.py
@@ -13,6 +13,8 @@
 import collections
 import itertools
 import numbers
+import random
+import string
 import sys
 
 import numpy as np
@@ -179,3 +181,10 @@ def _values_for_argsort(self):
         # cast them to an (N, P) array, instead of an (N,) array of tuples.
         frozen = [()] + [tuple(x.items()) for x in self]
         return np.array(frozen, dtype=object)[1:]
+
+
+def make_data():
+    # TODO: Use a regular dict. See _NDFrameIndexer._setitem_with_indexer
+    return [collections.UserDict([
+        (random.choice(string.ascii_letters), random.randint(0, 100))
+        for _ in range(random.randint(0, 10))]) for _ in range(100)]
diff --git a/pandas/tests/extension/json/test_json.py b/pandas/tests/extension/json/test_json.py
index 0126d771caf7f..b30ff02c4fa9a 100644
--- a/pandas/tests/extension/json/test_json.py
+++ b/pandas/tests/extension/json/test_json.py
@@ -1,7 +1,5 @@
 import operator
 import collections
-import random
-import string
 
 import pytest
 
@@ -10,18 +8,11 @@
 from pandas.compat import PY2, PY36
 from pandas.tests.extension import base
 
-from .array import JSONArray, JSONDtype
+from .array import JSONArray, JSONDtype, make_data
 
 pytestmark = pytest.mark.skipif(PY2, reason="Py2 doesn't have a UserDict")
 
 
-def make_data():
-    # TODO: Use a regular dict. See _NDFrameIndexer._setitem_with_indexer
-    return [collections.UserDict([
-        (random.choice(string.ascii_letters), random.randint(0, 100))
-        for _ in range(random.randint(0, 10))]) for _ in range(100)]
-
-
 @pytest.fixture
 def dtype():
     return JSONDtype()