diff --git a/pandas/tests/frame/test_reductions.py b/pandas/tests/frame/test_reductions.py
index 0161acd8b52cf..6402a08ca54a2 100644
--- a/pandas/tests/frame/test_reductions.py
+++ b/pandas/tests/frame/test_reductions.py
@@ -93,11 +93,9 @@ def wrapper(x):
         tm.assert_series_equal(
             result0, frame.apply(wrapper), check_dtype=check_dtype, rtol=rtol, atol=atol
         )
-        # FIXME: HACK: win32
         tm.assert_series_equal(
             result1,
             frame.apply(wrapper, axis=1),
-            check_dtype=False,
             rtol=rtol,
             atol=atol,
         )
@@ -200,9 +198,7 @@ def wrapper(x):
         result1 = f(axis=1, skipna=False)
 
         tm.assert_series_equal(result0, frame.apply(wrapper))
-        tm.assert_series_equal(
-            result1, frame.apply(wrapper, axis=1), check_dtype=False
-        )  # FIXME: HACK: win32
+        tm.assert_series_equal(result1, frame.apply(wrapper, axis=1))
     else:
         skipna_wrapper = alternative
         wrapper = alternative
diff --git a/pandas/tests/indexes/datetimes/test_indexing.py b/pandas/tests/indexes/datetimes/test_indexing.py
index 9db6567ca1b56..c6afa3803bcb6 100644
--- a/pandas/tests/indexes/datetimes/test_indexing.py
+++ b/pandas/tests/indexes/datetimes/test_indexing.py
@@ -651,10 +651,6 @@ def test_get_indexer_mixed_dtypes(self, target):
             ([date(9999, 1, 1), date(9999, 1, 1)], [-1, -1]),
         ],
     )
-    # FIXME: these warnings are flaky GH#36131
-    @pytest.mark.filterwarnings(
-        "ignore:Comparison of Timestamp with datetime.date:FutureWarning"
-    )
     def test_get_indexer_out_of_bounds_date(self, target, positions):
         values = DatetimeIndex([Timestamp("2020-01-01"), Timestamp("2020-01-02")])
 
diff --git a/pandas/tests/io/parser/common/test_chunksize.py b/pandas/tests/io/parser/common/test_chunksize.py
index 4c26047d98acc..8a3f8788a45aa 100644
--- a/pandas/tests/io/parser/common/test_chunksize.py
+++ b/pandas/tests/io/parser/common/test_chunksize.py
@@ -162,7 +162,6 @@ def test_chunk_begins_with_newline_whitespace(all_parsers):
 
 
 @pytest.mark.slow
-@pytest.mark.xfail(reason="GH38630, sometimes gives ResourceWarning", strict=False)
 def test_chunks_have_consistent_numerical_type(all_parsers):
     parser = all_parsers
     integers = [str(i) for i in range(499999)]
@@ -176,7 +175,7 @@ def test_chunks_have_consistent_numerical_type(all_parsers):
     assert result.a.dtype == float
 
 
-def test_warn_if_chunks_have_mismatched_type(all_parsers, request):
+def test_warn_if_chunks_have_mismatched_type(all_parsers):
     warning_type = None
     parser = all_parsers
     size = 10000
@@ -193,24 +192,8 @@ def test_warn_if_chunks_have_mismatched_type(all_parsers, request):
 
     buf = StringIO(data)
 
-    try:
-        with tm.assert_produces_warning(warning_type):
-            df = parser.read_csv(buf)
-    except AssertionError as err:
-        # 2021-02-21 this occasionally fails on the CI with an unexpected
-        #  ResourceWarning that we have been unable to track down,
-        #  see GH#38630
-        if "ResourceWarning" not in str(err) or parser.engine != "python":
-            raise
-
-        # Check the main assertion of the test before re-raising
-        assert df.a.dtype == object
-
-        mark = pytest.mark.xfail(
-            reason="ResourceWarning for unclosed SSL Socket, GH#38630"
-        )
-        request.node.add_marker(mark)
-        raise
+    with tm.assert_produces_warning(warning_type):
+        df = parser.read_csv(buf)
 
     assert df.a.dtype == object