diff --git a/include/sta/rtos/thread.hpp b/include/sta/rtos/thread.hpp
index 5d6c849..1e4d2b7 100644
--- a/include/sta/rtos/thread.hpp
+++ b/include/sta/rtos/thread.hpp
@@ -14,7 +14,7 @@
 /**
  * @brief Number of bits in task notification flags used internally.
  */
-#define STA_RTOS_MAX_BITS_THREAD_SYS_NOTIFY         2U
+#define STA_RTOS_MAX_BITS_THREAD_SYS_NOTIFY         1U
 /**
  * @brief Number of user usable bits in task notification flags.
  */
@@ -34,15 +34,10 @@
  */
 #define STA_RTOS_THREAD_FLAG_ERROR_CODE             ( 1UL << 31 )
 
-/**
- * @brief Request thread termination.
- */
-#define STA_RTOS_THREAD_FLAG_TERMINATE              ( 1UL << 30 )
-
 /**
  * @brief Request thread start.
  */
-#define STA_RTOS_THREAD_FLAG_START					( 1UL << 29 )
+#define STA_RTOS_THREAD_FLAG_START					( 1UL << 30 )
 
 
 #define STA_RTOS_THREAD_FLAGS_ERROR_CODE_BITS       UINT32_C( 0x0000000F )