diff --git a/Kconfig b/Kconfig
index 88fc33893b75cc071ceb69f899ec6a62c37886d7..6c75619937136c60a4b80d13225fcf51d0a5829a 100644
--- a/Kconfig
+++ b/Kconfig
@@ -228,14 +228,6 @@ config NET_LWIP_SACK_TFTP
     help
       Answer Y to enable LiteOS support tftp cmd and tftp tool.
 source "../../kernel/liteos_a/net/telnet/Kconfig"
-config EXC_INTERACTION
-    bool "Enable exc interaction"
-    default n
-    depends on SHELL
-    help
-      Answer Y to enable exception interaction for LiteOS, when the system enter exception, user can also interact with system by shell
-      command like readreg, writereg,task,hwi.
-
 config SCHED_DEBUG
     bool "Enable sched debug Feature"
     default n
diff --git a/compat/posix/src/time.c b/compat/posix/src/time.c
index 6c262960609813a795acbe9cee22d84169f2afd7..c44d6e46c8339698a813b12c0485c9c0791bef09 100644
--- a/compat/posix/src/time.c
+++ b/compat/posix/src/time.c
@@ -428,7 +428,6 @@ int clock_settime(clockid_t clockID, const struct timespec *tp)
         case CLOCK_BOOTTIME:
         case CLOCK_REALTIME_ALARM:
         case CLOCK_BOOTTIME_ALARM:
-        case CLOCK_SGI_CYCLE:
         case CLOCK_TAI:
         case CLOCK_THREAD_CPUTIME_ID:
             TIME_RETURN(ENOTSUP);
@@ -564,7 +563,6 @@ int clock_gettime(clockid_t clockID, struct timespec *tp)
         case CLOCK_BOOTTIME:
         case CLOCK_REALTIME_ALARM:
         case CLOCK_BOOTTIME_ALARM:
-        case CLOCK_SGI_CYCLE:
         case CLOCK_TAI:
             TIME_RETURN(ENOTSUP);
         default:
@@ -647,7 +645,6 @@ int clock_getres(clockid_t clockID, struct timespec *tp)
         case CLOCK_BOOTTIME:
         case CLOCK_REALTIME_ALARM:
         case CLOCK_BOOTTIME_ALARM:
-        case CLOCK_SGI_CYCLE:
         case CLOCK_TAI:
             TIME_RETURN(ENOTSUP);
         default:
@@ -681,7 +678,6 @@ int clock_nanosleep(clockid_t clk, int flags, const struct timespec *req, struct
         case CLOCK_BOOTTIME:
         case CLOCK_REALTIME_ALARM:
         case CLOCK_BOOTTIME_ALARM:
-        case CLOCK_SGI_CYCLE:
         case CLOCK_TAI:
             if (flags == 0 || flags == TIMER_ABSTIME) {
                 TIME_RETURN(ENOTSUP);