diff --git a/frontends/concrete-python/tests/execution/test_bitwise.py b/frontends/concrete-python/tests/execution/test_bitwise.py
index d9215844c..0167bf4d4 100644
--- a/frontends/concrete-python/tests/execution/test_bitwise.py
+++ b/frontends/concrete-python/tests/execution/test_bitwise.py
@@ -99,7 +99,7 @@ def test_bitwise(
     print()
 
     parameter_encryption_statuses = {"x": "encrypted", "y": "encrypted"}
-    configuration = helpers.configuration()
+    configuration = helpers.configuration().fork(use_insecure_key_cache=False)
 
     if strategy is not None:
         configuration = configuration.fork(bitwise_strategy_preference=[strategy])
diff --git a/frontends/concrete-python/tests/execution/test_comparison.py b/frontends/concrete-python/tests/execution/test_comparison.py
index 9fc557592..af5022bbb 100644
--- a/frontends/concrete-python/tests/execution/test_comparison.py
+++ b/frontends/concrete-python/tests/execution/test_comparison.py
@@ -134,7 +134,7 @@ def test_comparison(
     print()
 
     parameter_encryption_statuses = {"x": "encrypted", "y": "encrypted"}
-    configuration = helpers.configuration()
+    configuration = helpers.configuration().fork(use_insecure_key_cache=False)
 
     if strategy is not None:
         configuration = configuration.fork(comparison_strategy_preference=[strategy])
diff --git a/frontends/concrete-python/tests/execution/test_shift.py b/frontends/concrete-python/tests/execution/test_shift.py
index 601ffe2d1..41ad9edc1 100644
--- a/frontends/concrete-python/tests/execution/test_shift.py
+++ b/frontends/concrete-python/tests/execution/test_shift.py
@@ -127,7 +127,7 @@ def test_shift(
     print()
 
     parameter_encryption_statuses = {"x": "encrypted", "y": "encrypted"}
-    configuration = helpers.configuration()
+    configuration = helpers.configuration().fork(use_insecure_key_cache=False)
 
     if strategy is not None:
         configuration = configuration.fork(bitwise_strategy_preference=[strategy])