diff --git a/itests/org.openhab.core.config.discovery.tests/src/main/java/org/openhab/core/config/discovery/DiscoveryServiceRegistryOSGiTest.java b/itests/org.openhab.core.config.discovery.tests/src/main/java/org/openhab/core/config/discovery/DiscoveryServiceRegistryOSGiTest.java
index a86737251..1a92e363a 100644
--- a/itests/org.openhab.core.config.discovery.tests/src/main/java/org/openhab/core/config/discovery/DiscoveryServiceRegistryOSGiTest.java
+++ b/itests/org.openhab.core.config.discovery.tests/src/main/java/org/openhab/core/config/discovery/DiscoveryServiceRegistryOSGiTest.java
@@ -197,6 +197,7 @@ public class DiscoveryServiceRegistryOSGiTest extends JavaOSGiTest {
         ScanListener mockScanListener = mock(ScanListener.class);
 
         discoveryServiceRegistry.addDiscoveryListener(discoveryListenerMock);
+        reset(discoveryListenerMock); // Reset mock to ignore cached result replays
         discoveryServiceRegistry.startScan(new ThingTypeUID(ANY_BINDING_ID_1, ANY_THING_TYPE_1), null,
                 mockScanListener);
 
@@ -209,6 +210,7 @@ public class DiscoveryServiceRegistryOSGiTest extends JavaOSGiTest {
     @Test
     public void testRemoveOlderResults() {
         discoveryServiceRegistry.addDiscoveryListener(discoveryListenerMock);
+        reset(discoveryListenerMock); // Reset mock to ignore cached result replays
         discoveryServiceMockForBinding1.removeOlderResults(discoveryServiceMockForBinding1.getTimestampOfLastScan());
 
         waitForAssert(() -> {
@@ -224,6 +226,7 @@ public class DiscoveryServiceRegistryOSGiTest extends JavaOSGiTest {
         ScanListener mockScanListener2 = mock(ScanListener.class);
 
         discoveryServiceRegistry.addDiscoveryListener(discoveryListenerMock);
+        reset(discoveryListenerMock); // Reset mock to ignore cached result replays
         discoveryServiceRegistry.startScan(new ThingTypeUID(ANY_BINDING_ID_1, ANY_THING_TYPE_1), null,
                 mockScanListener1);
         discoveryServiceRegistry.startScan(new ThingTypeUID(ANY_BINDING_ID_2, ANY_THING_TYPE_2), null,
@@ -369,6 +372,7 @@ public class DiscoveryServiceRegistryOSGiTest extends JavaOSGiTest {
         serviceRegs.add(
                 bundleContext.registerService(DiscoveryService.class.getName(), anotherDiscoveryServiceMock, null));
         discoveryServiceRegistry.addDiscoveryListener(discoveryListenerMock);
+        reset(discoveryListenerMock); // Reset mock to ignore cached result replays
         discoveryServiceRegistry.startScan(new ThingTypeUID(ANY_BINDING_ID_1, ANY_THING_TYPE_1), null,
                 mockScanListener1);