diff --git a/core/internals.h b/core/internals.h
index 30d394246..7add7cc47 100644
--- a/core/internals.h
+++ b/core/internals.h
@@ -253,8 +253,7 @@ uint8_t object_create(lwm2m_context_t * contextP, lwm2m_uri_t * uriP, lwm2m_medi
 uint8_t object_execute(lwm2m_context_t * contextP, lwm2m_uri_t * uriP, uint8_t * buffer, size_t length);
 uint8_t object_delete(lwm2m_context_t * contextP, lwm2m_uri_t * uriP);
 uint8_t object_discover(lwm2m_context_t * contextP, lwm2m_uri_t * uriP, lwm2m_server_t * serverP, uint8_t ** bufferP, size_t * lengthP);
-uint8_t object_checkReadable(lwm2m_context_t * contextP, lwm2m_uri_t * uriP);
-uint8_t object_checkNumeric(lwm2m_context_t * contextP, lwm2m_uri_t * uriP);
+uint8_t object_checkReadable(lwm2m_context_t * contextP, lwm2m_uri_t * uriP, lwm2m_attributes_t * attrP);
 bool object_isInstanceNew(lwm2m_context_t * contextP, uint16_t objectId, uint16_t instanceId);
 int object_getRegisterPayloadBufferLength(lwm2m_context_t * contextP);
 int object_getRegisterPayload(lwm2m_context_t * contextP, uint8_t * buffer, size_t length);
diff --git a/core/objects.c b/core/objects.c
index 983f904c0..eeb054d44 100644
--- a/core/objects.c
+++ b/core/objects.c
@@ -18,7 +18,7 @@
  *    Bosch Software Innovations GmbH - Please refer to git log
  *    Pascal Rieux - Please refer to git log
  *    Scott Bertin - Please refer to git log
- *    
+ *
  *******************************************************************************/
 
 /*
@@ -61,7 +61,8 @@
 
 
 uint8_t object_checkReadable(lwm2m_context_t * contextP,
-                             lwm2m_uri_t * uriP)
+                             lwm2m_uri_t * uriP,
+                             lwm2m_attributes_t * attrP)
 {
     uint8_t result;
     lwm2m_object_t * targetP;
@@ -75,7 +76,7 @@ uint8_t object_checkReadable(lwm2m_context_t * contextP,
 
     if (!LWM2M_URI_IS_SET_INSTANCE(uriP)) return COAP_205_CONTENT;
 
-    if (NULL == lwm2m_list_find(targetP->instanceList, uriP->instanceId)) return COAP_404_NOT_FOUND;
+    if (NULL == LWM2M_LIST_FIND(targetP->instanceList, uriP->instanceId)) return COAP_404_NOT_FOUND;
 
     if (!LWM2M_URI_IS_SET_RESOURCE(uriP)) return COAP_205_CONTENT;
 
@@ -85,48 +86,22 @@ uint8_t object_checkReadable(lwm2m_context_t * contextP,
 
     dataP->id = uriP->resourceId;
 
-    result = targetP->readFunc(uriP->instanceId, &size, &dataP, targetP);
-    lwm2m_data_free(1, dataP);
-
-    return result;
-}
-
-uint8_t object_checkNumeric(lwm2m_context_t * contextP,
-                            lwm2m_uri_t * uriP)
-{
-    uint8_t result;
-    lwm2m_object_t * targetP;
-    lwm2m_data_t * dataP = NULL;
-    int size;
-
-    LOG_URI(uriP);
-    if (!LWM2M_URI_IS_SET_RESOURCE(uriP)) return COAP_405_METHOD_NOT_ALLOWED;
-
-    targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
-    if (NULL == targetP) return COAP_404_NOT_FOUND;
-    if (NULL == targetP->readFunc) return COAP_405_METHOD_NOT_ALLOWED;
-
-    size = 1;
-    dataP = lwm2m_data_new(1);
-    if (dataP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;
-
-    dataP->id = uriP->resourceId;
-
     result = targetP->readFunc(uriP->instanceId, &size, &dataP, targetP);
     if (result == COAP_205_CONTENT)
     {
-        switch (dataP->type)
+        if (attrP->toSet & ATTR_FLAG_NUMERIC)
         {
-        case LWM2M_TYPE_INTEGER:
-        case LWM2M_TYPE_FLOAT:
-            break;
-        default:
-            result = COAP_405_METHOD_NOT_ALLOWED;
+            switch (dataP->type)
+            {
+                case LWM2M_TYPE_INTEGER:
+                case LWM2M_TYPE_FLOAT:
+                    break;
+                default:
+                    result = COAP_405_METHOD_NOT_ALLOWED;
+            }
         }
     }
-
     lwm2m_data_free(1, dataP);
-
     return result;
 }
 
@@ -897,7 +872,7 @@ uint8_t object_createInstance(lwm2m_context_t * contextP,
     targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
     if (NULL == targetP) return COAP_404_NOT_FOUND;
 
-    if (NULL == targetP->createFunc) 
+    if (NULL == targetP->createFunc)
     {
         return COAP_405_METHOD_NOT_ALLOWED;
     }
@@ -915,7 +890,7 @@ uint8_t object_writeInstance(lwm2m_context_t * contextP,
     targetP = (lwm2m_object_t *)LWM2M_LIST_FIND(contextP->objectList, uriP->objectId);
     if (NULL == targetP) return COAP_404_NOT_FOUND;
 
-    if (NULL == targetP->writeFunc) 
+    if (NULL == targetP->writeFunc)
     {
         return COAP_405_METHOD_NOT_ALLOWED;
     }
diff --git a/core/observe.c b/core/observe.c
index 711c1d1b8..90823a7b6 100644
--- a/core/observe.c
+++ b/core/observe.c
@@ -322,15 +322,9 @@ uint8_t observe_setParameters(lwm2m_context_t * contextP,
 
     if (!LWM2M_URI_IS_SET_INSTANCE(uriP) && LWM2M_URI_IS_SET_RESOURCE(uriP)) return COAP_400_BAD_REQUEST;
 
-    result = object_checkReadable(contextP, uriP);
+    result = object_checkReadable(contextP, uriP, attrP);
     if (COAP_205_CONTENT != result) return result;
 
-    if (0 != (attrP->toSet & ATTR_FLAG_NUMERIC))
-    {
-        result = object_checkNumeric(contextP, uriP);
-        if (COAP_205_CONTENT != result) return result;
-    }
-
     watcherP = prv_getWatcher(contextP, uriP, serverP);
     if (watcherP == NULL) return COAP_500_INTERNAL_SERVER_ERROR;