diff --git a/frame/contracts/src/wasm/mod.rs b/frame/contracts/src/wasm/mod.rs
index add256a0ba840..0fa28488c0417 100644
--- a/frame/contracts/src/wasm/mod.rs
+++ b/frame/contracts/src/wasm/mod.rs
@@ -2333,7 +2333,7 @@ mod tests {
 		let call =
 			RuntimeCall::System(frame_system::Call::remark { remark: b"Hello World".to_vec() });
 		let mut ext = MockExt::default();
-		let result = execute(CODE_CALL_RUNTIME, call.encode(), &mut ext).unwrap();
+		let result = execute_with_unstable(CODE_CALL_RUNTIME, call.encode(), &mut ext).unwrap();
 		assert_eq!(*ext.runtime_calls.borrow(), vec![call]);
 		// 0 = ReturnCode::Success
 		assert_eq!(u32::from_le_bytes(result.data.try_into().unwrap()), 0);
@@ -2342,7 +2342,7 @@ mod tests {
 	#[test]
 	fn call_runtime_panics_on_invalid_call() {
 		let mut ext = MockExt::default();
-		let result = execute(CODE_CALL_RUNTIME, vec![0x42], &mut ext);
+		let result = execute_with_unstable(CODE_CALL_RUNTIME, vec![0x42], &mut ext);
 		assert_eq!(
 			result,
 			Err(ExecError {
@@ -2670,7 +2670,7 @@ mod tests {
 
 		// value does not exist -> error returned
 		let input = (63, [1u8; 64]).encode();
-		let result = execute(CODE, input, &mut ext).unwrap();
+		let result = execute_with_unstable(CODE, input, &mut ext).unwrap();
 		assert_eq!(
 			u32::from_le_bytes(result.data[0..4].try_into().unwrap()),
 			ReturnCode::KeyNotFound as u32
@@ -2678,7 +2678,7 @@ mod tests {
 
 		// value did exist -> value returned
 		let input = (64, [1u8; 64]).encode();
-		let result = execute(CODE, input, &mut ext).unwrap();
+		let result = execute_with_unstable(CODE, input, &mut ext).unwrap();
 		assert_eq!(
 			u32::from_le_bytes(result.data[0..4].try_into().unwrap()),
 			ReturnCode::Success as u32
@@ -2688,7 +2688,7 @@ mod tests {
 
 		// value did exist -> length returned (test for 0 sized)
 		let input = (19, [2u8; 19]).encode();
-		let result = execute(CODE, input, &mut ext).unwrap();
+		let result = execute_with_unstable(CODE, input, &mut ext).unwrap();
 		assert_eq!(
 			u32::from_le_bytes(result.data[0..4].try_into().unwrap()),
 			ReturnCode::Success as u32
@@ -2936,7 +2936,7 @@ mod tests {
 "#;
 
 		let mut mock_ext = MockExt::default();
-		execute(CODE, vec![], &mut mock_ext).unwrap();
+		execute_with_unstable(CODE, vec![], &mut mock_ext).unwrap();
 	}
 
 	#[test]
@@ -2968,7 +2968,7 @@ mod tests {
 "#;
 
 		let mut mock_ext = MockExt::default();
-		execute(CODE, vec![], &mut mock_ext).unwrap();
+		execute_with_unstable(CODE, vec![], &mut mock_ext).unwrap();
 	}
 
 	/// This test check that an unstable interface cannot be deployed. In case of runtime