diff --git a/custom_components/mikrotik_router/config_flow.py b/custom_components/mikrotik_router/config_flow.py
index ba8c4cf..25a2eec 100644
--- a/custom_components/mikrotik_router/config_flow.py
+++ b/custom_components/mikrotik_router/config_flow.py
@@ -25,7 +25,6 @@ from .const import (
     DEFAULT_SCAN_INTERVAL,
 )
 
-from .exceptions import OldLibrouteros
 from .mikrotikapi import MikrotikAPI
 
 _LOGGER = logging.getLogger(__name__)
@@ -73,18 +72,14 @@ class MikrotikControllerConfigFlow(ConfigFlow, domain=DOMAIN):
                 errors["base"] = "name_exists"
 
             # Test connection
-            try:
-                api = MikrotikAPI(host=user_input["host"],
-                                  username=user_input["username"],
-                                  password=user_input["password"],
-                                  port=user_input["port"],
-                                  use_ssl=user_input["ssl"]
-                                  )
-            except OldLibrouteros:
-                errors["base"] = "librouteros_invalid"
-            else:
-                if not api.connect():
-                    errors[CONF_HOST] = api.error
+            api = MikrotikAPI(host=user_input["host"],
+                              username=user_input["username"],
+                              password=user_input["password"],
+                              port=user_input["port"],
+                              use_ssl=user_input["ssl"]
+                              )
+            if not api.connect():
+                errors[CONF_HOST] = api.error
 
             # Save instance
             if not errors:
diff --git a/custom_components/mikrotik_router/exceptions.py b/custom_components/mikrotik_router/exceptions.py
index 69278c4..ee4e2d3 100644
--- a/custom_components/mikrotik_router/exceptions.py
+++ b/custom_components/mikrotik_router/exceptions.py
@@ -1,9 +1,5 @@
 """Exceptions for Mikrotik Router."""
 
 
-class OldLibrouteros(Exception):
-    """Old librouteros version."""
-
-
 class ApiEntryNotFound(Exception):
-    """Old librouteros version."""
+    """Api entry not found."""
diff --git a/custom_components/mikrotik_router/mikrotikapi.py b/custom_components/mikrotik_router/mikrotikapi.py
index f5a6b3f..07817bc 100644
--- a/custom_components/mikrotik_router/mikrotikapi.py
+++ b/custom_components/mikrotik_router/mikrotikapi.py
@@ -5,7 +5,7 @@ import logging
 import os
 import sys
 import importlib
-from .exceptions import OldLibrouteros, ApiEntryNotFound
+from .exceptions import ApiEntryNotFound
 
 MODULE_PATH = os.path.join(os.path.dirname(__file__), "librouteros", "__init__.py")
 MODULE_NAME = "librouteros"
@@ -38,24 +38,10 @@ class MikrotikAPI:
         self._connected = False
         self.error = ""
 
-        self.check_library()
-
         # Default ports
         if not self._port:
             self._port = 8729 if self._use_ssl else 8728
 
-    # ---------------------------
-    #   check_library
-    # ---------------------------
-    def check_library(self):
-        if not hasattr(librouteros.exceptions, 'ConnectionClosed'):
-            error = "Invalid librouteros library version installed, possible conflict with other software."
-            raise OldLibrouteros(error)
-
-        if not hasattr(librouteros.exceptions, 'ProtocolError'):
-            error = "Invalid librouteros library version installed, possible conflict with other software."
-            raise OldLibrouteros(error)
-
     # ---------------------------
     #   connect
     # ---------------------------