diff --git a/homeassistant/components/tag/__init__.py b/homeassistant/components/tag/__init__.py
index 1613601e23a..af3d06cf2d4 100644
--- a/homeassistant/components/tag/__init__.py
+++ b/homeassistant/components/tag/__init__.py
@@ -34,7 +34,6 @@ STORAGE_VERSION = 1
 STORAGE_VERSION_MINOR = 3
 
 TAG_DATA: HassKey[TagStorageCollection] = HassKey(DOMAIN)
-SIGNAL_TAG_CHANGED = "signal_tag_changed"
 
 CREATE_FIELDS = {
     vol.Optional(TAG_ID): cv.string,