diff --git a/homeassistant/components/modbus/base_platform.py b/homeassistant/components/modbus/base_platform.py
index 1e2f1056db2..d9ee58f3c38 100644
--- a/homeassistant/components/modbus/base_platform.py
+++ b/homeassistant/components/modbus/base_platform.py
@@ -87,9 +87,10 @@ class BasePlatform(Entity):
     async def async_base_added_to_hass(self):
         """Handle entity which will be added."""
         if self._scan_interval > 0:
-            async_track_time_interval(
+            cancel_func = async_track_time_interval(
                 self.hass, self.async_update, timedelta(seconds=self._scan_interval)
             )
+            self._hub.entity_timers.append(cancel_func)
 
 
 class BaseStructPlatform(BasePlatform, RestoreEntity):
diff --git a/homeassistant/components/modbus/modbus.py b/homeassistant/components/modbus/modbus.py
index 7cab51f7fe6..c2cae9f4ec3 100644
--- a/homeassistant/components/modbus/modbus.py
+++ b/homeassistant/components/modbus/modbus.py
@@ -20,7 +20,7 @@ from homeassistant.const import (
     CONF_TYPE,
     EVENT_HOMEASSISTANT_STOP,
 )
-from homeassistant.core import callback
+from homeassistant.core import CALLBACK_TYPE, callback
 from homeassistant.helpers.discovery import async_load_platform
 from homeassistant.helpers.event import async_call_later
 
@@ -189,6 +189,8 @@ class ModbusHub:
 
     name: str
 
+    entity_timers: list[CALLBACK_TYPE] = []
+
     def __init__(self, hass, client_config):
         """Initialize the Modbus hub."""
 
@@ -288,6 +290,9 @@ class ModbusHub:
         if self._async_cancel_listener:
             self._async_cancel_listener()
             self._async_cancel_listener = None
+        for call in self.entity_timers:
+            call()
+        self.entity_timers = []
         if self._client:
             try:
                 self._client.close()