diff --git a/pandas/tests/copy_view/test_indexing.py b/pandas/tests/copy_view/test_indexing.py
index 422436d376f69..72cb410c9068d 100644
--- a/pandas/tests/copy_view/test_indexing.py
+++ b/pandas/tests/copy_view/test_indexing.py
@@ -941,15 +941,14 @@ def test_column_as_series(backend, using_copy_on_write, warn_copy_on_write):
 
     if using_copy_on_write:
         s[0] = 0
+    elif warn_copy_on_write:
+        with tm.assert_cow_warning():
+            s[0] = 0
     else:
-        if warn_copy_on_write:
-            with tm.assert_cow_warning():
+        warn = SettingWithCopyWarning if dtype_backend == "numpy" else None
+        with pd.option_context("chained_assignment", "warn"):
+            with tm.assert_produces_warning(warn):
                 s[0] = 0
-        else:
-            warn = SettingWithCopyWarning if dtype_backend == "numpy" else None
-            with pd.option_context("chained_assignment", "warn"):
-                with tm.assert_produces_warning(warn):
-                    s[0] = 0
 
     expected = Series([0, 2, 3], name="a")
     tm.assert_series_equal(s, expected)
diff --git a/pandas/tests/window/test_rolling.py b/pandas/tests/window/test_rolling.py
index 2a3a0a54d0767..0ca6bf0de94dd 100644
--- a/pandas/tests/window/test_rolling.py
+++ b/pandas/tests/window/test_rolling.py
@@ -1693,12 +1693,11 @@ def test_rolling_quantile_interpolation_options(quantile, interpolation, data):
 
     if np.isnan(q1):
         assert np.isnan(q2)
+    elif not IS64:
+        # Less precision on 32-bit
+        assert np.allclose([q1], [q2], rtol=1e-07, atol=0)
     else:
-        if not IS64:
-            # Less precision on 32-bit
-            assert np.allclose([q1], [q2], rtol=1e-07, atol=0)
-        else:
-            assert q1 == q2
+        assert q1 == q2
 
 
 def test_invalid_quantile_value():
diff --git a/pandas/util/_validators.py b/pandas/util/_validators.py
index cb0b4d549f49e..4e542d1b7f04a 100644
--- a/pandas/util/_validators.py
+++ b/pandas/util/_validators.py
@@ -335,9 +335,8 @@ def validate_percentile(q: float | Iterable[float]) -> np.ndarray:
     if q_arr.ndim == 0:
         if not 0 <= q_arr <= 1:
             raise ValueError(msg)
-    else:
-        if not all(0 <= qs <= 1 for qs in q_arr):
-            raise ValueError(msg)
+    elif not all(0 <= qs <= 1 for qs in q_arr):
+        raise ValueError(msg)
     return q_arr
 
 
diff --git a/pyproject.toml b/pyproject.toml
index ebdf9deb034b5..4f11cfb17edd1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -337,8 +337,6 @@ ignore = [
   "PLR2004",
   # comparison-with-itself
   "PLR0124",
-  # Consider `elif` instead of `else` then `if` to remove indentation level
-  "PLR5501",
   # collection-literal-concatenation
   "RUF005",
   # pairwise-over-zipped (>=PY310 only)