diff --git a/pandas/tests/tseries/offsets/test_month.py b/pandas/tests/tseries/offsets/test_month.py
index 4dd494d0872a1..36727e75efe77 100644
--- a/pandas/tests/tseries/offsets/test_month.py
+++ b/pandas/tests/tseries/offsets/test_month.py
@@ -61,7 +61,7 @@ def test_offset_whole_year(self):
             datetime(2008, 12, 31),
         )
 
-        for base, exp_date in zip(dates[:-1], dates[1:]):
+        for base, exp_date in zip(dates[:-1], dates[1:], strict=True):
             assert_offset_equal(SemiMonthEnd(), base, exp_date)
 
         # ensure .apply_index works as expected
@@ -312,7 +312,7 @@ def test_offset_whole_year(self):
             datetime(2008, 12, 15),
         )
 
-        for base, exp_date in zip(dates[:-1], dates[1:]):
+        for base, exp_date in zip(dates[:-1], dates[1:], strict=True):
             assert_offset_equal(SemiMonthBegin(), base, exp_date)
 
         # ensure .apply_index works as expected
diff --git a/pandas/tests/tseries/offsets/test_offsets.py b/pandas/tests/tseries/offsets/test_offsets.py
index 3666342aef433..37cdf9d4e709d 100644
--- a/pandas/tests/tseries/offsets/test_offsets.py
+++ b/pandas/tests/tseries/offsets/test_offsets.py
@@ -649,6 +649,7 @@ def test_copy(self):
                 "2008-01-02 00:00:00.001000000",
                 "2008-01-02 00:00:00.000001000",
             ],
+            strict=True,
         ),
     )
     def test_add(self, arithmatic_offset_type, expected, dt):
@@ -670,6 +671,7 @@ def test_add(self, arithmatic_offset_type, expected, dt):
                 "2008-01-01 23:59:59.999000000",
                 "2008-01-01 23:59:59.999999000",
             ],
+            strict=True,
         ),
     )
     def test_sub(self, arithmatic_offset_type, expected, dt):
@@ -693,6 +695,7 @@ def test_sub(self, arithmatic_offset_type, expected, dt):
                 "2008-01-02 00:00:00.008000000",
                 "2008-01-02 00:00:00.000009000",
             ],
+            strict=True,
         ),
     )
     def test_mul_add(self, arithmatic_offset_type, n, expected, dt):
@@ -717,6 +720,7 @@ def test_mul_add(self, arithmatic_offset_type, n, expected, dt):
                 "2008-01-01 23:59:59.992000000",
                 "2008-01-01 23:59:59.999991000",
             ],
+            strict=True,
         ),
     )
     def test_mul_sub(self, arithmatic_offset_type, n, expected, dt):
diff --git a/pyproject.toml b/pyproject.toml
index 49bb49aab03c5..12a5633f136cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -588,8 +588,6 @@ exclude = [
 "pandas/tests/strings/test_strings.py" = ["B905"]
 "pandas/tests/test_algos.py" = ["B905"]
 "pandas/tests/test_sorting.py" = ["B905"]
-"pandas/tests/tseries/offsets/test_month.py" = ["B905"]
-"pandas/tests/tseries/offsets/test_offsets.py" = ["B905"]
 "pandas/tests/util/test_validate_kwargs.py" = ["B905"]
 "scripts/validate_unwanted_patterns.py" = ["B905"]