diff --git a/esphome/components/lvgl/number/__init__.py b/esphome/components/lvgl/number/__init__.py
index 0d8d99ab21..b23e77df22 100644
--- a/esphome/components/lvgl/number/__init__.py
+++ b/esphome/components/lvgl/number/__init__.py
@@ -1,16 +1,10 @@
 import esphome.codegen as cg
 from esphome.components import number
 import esphome.config_validation as cv
-from esphome.const import CONF_ON_RELEASE, CONF_RESTORE_VALUE
+from esphome.const import CONF_RESTORE_VALUE
 from esphome.cpp_generator import MockObj
 
-from ..defines import (
-    CONF_ANIMATED,
-    CONF_TRIGGER,
-    CONF_UPDATE_ON_RELEASE,
-    CONF_WIDGET,
-    LOGGER,
-)
+from ..defines import CONF_ANIMATED, CONF_TRIGGER, CONF_UPDATE_ON_RELEASE, CONF_WIDGET
 from ..lv_validation import animated
 from ..lvcode import (
     EVENT_ARG,
@@ -31,20 +25,18 @@ CONFIG_SCHEMA = number.number_schema(LVGLNumber).extend(
         cv.Required(CONF_WIDGET): cv.use_id(LvNumber),
         **VALUE_TRIGGER_SCHEMA,
         cv.Optional(CONF_ANIMATED, default=True): animated,
-        cv.Optional(CONF_UPDATE_ON_RELEASE): cv.boolean,
+        # Removed in 2026.11.0 - kept to provide helpful error message
+        # Remove before 2027.5.0
+        cv.Optional(CONF_UPDATE_ON_RELEASE): cv.invalid(
+            "The 'update_on_release' option has been removed in ESPHome 2026.11.0.\n"
+            "Use 'trigger: on_release' instead."
+        ),
         cv.Optional(CONF_RESTORE_VALUE, default=False): cv.boolean,
     }
 )
 
 
 async def to_code(config):
-    trigger = config[CONF_TRIGGER]
-    if CONF_UPDATE_ON_RELEASE in config:
-        LOGGER.warning(
-            "Option 'update_on_release' is deprecated and will be removed in 2026.11.0 - use 'trigger: on_release' instead"
-        )
-        if config[CONF_UPDATE_ON_RELEASE]:
-            trigger = CONF_ON_RELEASE
     widget = await get_widgets(config, CONF_WIDGET)
     widget = widget[0]
     async with LambdaContext([], return_type=cg.float_) as value:
@@ -70,6 +62,6 @@ async def to_code(config):
         lvgl_static.add_event_cb(
             widget.obj,
             await event.get_lambda(),
-            *TRIGGER_EVENT_MAP[trigger],
+            *TRIGGER_EVENT_MAP[config[CONF_TRIGGER]],
         )
     )