diff --git a/server/modules/routing/binlog/blr.c b/server/modules/routing/binlog/blr.c
index 69a498beb..78abd9fe8 100644
--- a/server/modules/routing/binlog/blr.c
+++ b/server/modules/routing/binlog/blr.c
@@ -1160,14 +1160,13 @@ diagnostics(ROUTER *router, DCB *dcb)
         {
             dcb_printf(dcb, "\tLast event from master:                      0x%x, %s\n",
                        router_inst->lastEventReceived,
-                       (router_inst->lastEventReceived >= 0 &&
-                        router_inst->lastEventReceived <= MAX_EVENT_TYPE) ?
+                       (router_inst->lastEventReceived <= MAX_EVENT_TYPE) ?
                        event_names[router_inst->lastEventReceived] : "unknown");
         }
         else
         {
             char *ptr = NULL;
-            if (router_inst->lastEventReceived >= 0 && router_inst->lastEventReceived <= MAX_EVENT_TYPE)
+            if (router_inst->lastEventReceived <= MAX_EVENT_TYPE)
             {
                 ptr = event_names[router_inst->lastEventReceived];
             }
@@ -2175,16 +2174,14 @@ blr_last_event_description(ROUTER_INSTANCE *router)
 
     if (!router->mariadb10_compat)
     {
-        if (router->lastEventReceived >= 0 &&
-            router->lastEventReceived <= MAX_EVENT_TYPE)
+        if (router->lastEventReceived <= MAX_EVENT_TYPE)
         {
             event_desc = event_names[router->lastEventReceived];
         }
     }
     else
     {
-        if (router->lastEventReceived >= 0 &&
-            router->lastEventReceived <= MAX_EVENT_TYPE)
+        if (router->lastEventReceived <= MAX_EVENT_TYPE)
         {
             event_desc = event_names[router->lastEventReceived];
         }
@@ -2216,16 +2213,14 @@ blr_get_event_description(ROUTER_INSTANCE *router, uint8_t event)
 
     if (!router->mariadb10_compat)
     {
-        if (event >= 0 &&
-            event <= MAX_EVENT_TYPE)
+        if (event <= MAX_EVENT_TYPE)
         {
             event_desc = event_names[event];
         }
     }
     else
     {
-        if (event >= 0 &&
-            event <= MAX_EVENT_TYPE)
+        if (event <= MAX_EVENT_TYPE)
         {
             event_desc = event_names[event];
         }