diff --git a/hw/hyperv/hyperv_testdev.c b/hw/hyperv/hyperv_testdev.c
index ef50e490c4..a630ca7047 100644
--- a/hw/hyperv/hyperv_testdev.c
+++ b/hw/hyperv/hyperv_testdev.c
@@ -89,7 +89,6 @@ static TestSintRoute *sint_route_find(HypervTestDev *dev,
         }
     }
     g_assert_not_reached();
-    return NULL;
 }
 
 static void sint_route_destroy(HypervTestDev *dev,
diff --git a/hw/hyperv/vmbus.c b/hw/hyperv/vmbus.c
index 03f415bf22..b36bd3d67d 100644
--- a/hw/hyperv/vmbus.c
+++ b/hw/hyperv/vmbus.c
@@ -1890,7 +1890,6 @@ static bool complete_create_gpadl(VMBus *vmbus)
     }
 
     g_assert_not_reached();
-    return false;
 }
 
 static void handle_gpadl_teardown(VMBus *vmbus,
@@ -1947,7 +1946,6 @@ static bool complete_teardown_gpadl(VMBus *vmbus)
     }
 
     g_assert_not_reached();
-    return false;
 }
 
 static void handle_open_channel(VMBus *vmbus, vmbus_message_open_channel *msg,
@@ -2021,7 +2019,6 @@ static bool complete_open_channel(VMBus *vmbus)
     }
 
     g_assert_not_reached();
-    return false;
 }
 
 static void vdev_reset_on_close(VMBusDevice *vdev)