Index: uspace/lib/c/include/ipc/logger.h
===================================================================
--- uspace/lib/c/include/ipc/logger.h	(revision 80d8885598c0f6408d107f683d6e7f9bfefe2bf8)
+++ uspace/lib/c/include/ipc/logger.h	(revision ebbc8a74be1f1519844fe377d2f6c61c93492ed1)
@@ -46,6 +46,5 @@
 	LOGGER_REGISTER = IPC_FIRST_USER_METHOD,
 	LOGGER_CREATE_CONTEXT,
-	LOGGER_MESSAGE,
-	LOGGER_BLOCK_UNTIL_READER_CHANGED
+	LOGGER_MESSAGE
 } logger_sink_request_t;