diff --git a/src/darwin/Framework/CHIP/templates/clusters-tests.zapt b/src/darwin/Framework/CHIP/templates/clusters-tests.zapt
index 69dca81e72584c..153d4c76ee405a 100644
--- a/src/darwin/Framework/CHIP/templates/clusters-tests.zapt
+++ b/src/darwin/Framework/CHIP/templates/clusters-tests.zapt
@@ -53,7 +53,7 @@ void WaitForCommissionee(XCTestExpectation * expectation, dispatch_queue_t queue
                  }];
 }
 
-CHIPDevice * GetConnectedDevice()
+CHIPDevice * GetConnectedDevice(void)
 {
     XCTAssertNotNil(mConnectedDevice);
     return mConnectedDevice;
diff --git a/src/darwin/Framework/CHIPTests/CHIPClustersTests.m b/src/darwin/Framework/CHIPTests/CHIPClustersTests.m
index 4896ed12d1021f..fe2760c03c9c9c 100644
--- a/src/darwin/Framework/CHIPTests/CHIPClustersTests.m
+++ b/src/darwin/Framework/CHIPTests/CHIPClustersTests.m
@@ -70,7 +70,7 @@ void WaitForCommissionee(XCTestExpectation * expectation, dispatch_queue_t queue
                  }];
 }
 
-CHIPDevice * GetConnectedDevice()
+CHIPDevice * GetConnectedDevice(void)
 {
     XCTAssertNotNil(mConnectedDevice);
     return mConnectedDevice;