diff --git a/headers/private/app/RegistrarDefs.h b/headers/private/app/RegistrarDefs.h
index 935b455318..787fd852b1 100644
--- a/headers/private/app/RegistrarDefs.h
+++ b/headers/private/app/RegistrarDefs.h
@@ -67,9 +67,9 @@ enum {
 	B_REG_MIME_GET_SUPPORTING_APPS			= 'rgsa',
 	B_REG_MIME_GET_ASSOCIATED_TYPES			= 'rgat',
 	B_REG_MIME_SNIFF						= 'rgsn',
-	B_REG_MIME_UPDATE_MIME_INFO_ASYNC		= 'rgup',
-	B_REG_MIME_CREATE_APP_META_MIME_ASYNC	= 'rgca',
-	B_REG_MIME_ASYNC_THREAD_FINISHED		= 'rgtf',
+	B_REG_MIME_UPDATE_MIME_INFO				= 'rgup',
+	B_REG_MIME_CREATE_APP_META_MIME			= 'rgca',
+	B_REG_MIME_UPDATE_THREAD_FINISHED		= 'rgtf',
 };
 
 // B_REG_MIME_SET_PARAM "which" constants