diff --git a/tools/test_apps/configs/sdkconfig.flash_auto_suspend_iram_reduction b/tools/test_apps/configs/sdkconfig.flash_auto_suspend_iram_reduction
index 0e1236fa14..09019098d4 100644
--- a/tools/test_apps/configs/sdkconfig.flash_auto_suspend_iram_reduction
+++ b/tools/test_apps/configs/sdkconfig.flash_auto_suspend_iram_reduction
@@ -72,6 +72,8 @@ CONFIG_ESP_REGI2C_CTRL_FUNC_IN_IRAM=n
 
 # System common
 CONFIG_ESP_PERIPH_CTRL_FUNC_IN_IRAM=n
+CONFIG_RTC_CLK_FUNC_IN_IRAM=n
+CONFIG_RTC_TIME_FUNC_IN_IRAM=n
 
 # Phy related options
 CONFIG_ESP_PHY_IRAM_OPT=n