diff --git a/src/lib-sieve/plugins/enotify/ext-enotify-common.h b/src/lib-sieve/plugins/enotify/ext-enotify-common.h
index 0da2e5eaca16a7480b7dcf4fcea6a19959b90ec2..b4e6e3984f9c1b298430f136c04fb3048c2449ae 100644
--- a/src/lib-sieve/plugins/enotify/ext-enotify-common.h
+++ b/src/lib-sieve/plugins/enotify/ext-enotify-common.h
@@ -13,7 +13,6 @@
  */
 
 extern const struct sieve_extension enotify_extension;
-extern const struct sieve_extension notify_extension;
 extern const struct sieve_extension_capabilities notify_capabilities;
 
 /*