diff --git a/examples/openthread/ot_br/main/Kconfig.projbuild b/examples/openthread/ot_br/main/Kconfig.projbuild
index e8d3a95717..45e682cb92 100644
--- a/examples/openthread/ot_br/main/Kconfig.projbuild
+++ b/examples/openthread/ot_br/main/Kconfig.projbuild
@@ -2,7 +2,7 @@ menu "OpenThread Border Router Example"
 
     config OPENTHREAD_BR_AUTO_START
         bool 'Enable the automatic start mode in Thread Border Router.'
-        default False
+        default n
         help
             If enabled, The Thread Border Router will connect to Wi-Fi with pre-configured
             SSID and PSK, and then form a Thread network automatically. Otherwise, user need
@@ -10,7 +10,7 @@ menu "OpenThread Border Router Example"
 
     config OPENTHREAD_SUPPORT_HW_RESET_RCP
         bool 'Enable hardware RCP resetting'
-        default False
+        default n
         help
             If enabled, the Thread Border Router will support hardware resetting the RCP
             when processing RCP failure.
diff --git a/examples/openthread/ot_cli/main/Kconfig.projbuild b/examples/openthread/ot_cli/main/Kconfig.projbuild
index 32146234e0..23aba5e8ce 100644
--- a/examples/openthread/ot_cli/main/Kconfig.projbuild
+++ b/examples/openthread/ot_cli/main/Kconfig.projbuild
@@ -2,7 +2,7 @@ menu "OpenThread CLI Example"
 
     config OPENTHREAD_AUTO_START
         bool 'Enable the automatic start mode.'
-        default False
+        default n
         help
             If enabled, the Openthread Device will create or connect to thread network with pre-configured
             network parameters automatically. Otherwise, user need to configure Thread via CLI command manually.
diff --git a/examples/openthread/ot_common_components/ot_led/Kconfig.projbuild b/examples/openthread/ot_common_components/ot_led/Kconfig.projbuild
index 20bb56cba9..1d1d30720f 100644
--- a/examples/openthread/ot_common_components/ot_led/Kconfig.projbuild
+++ b/examples/openthread/ot_common_components/ot_led/Kconfig.projbuild
@@ -5,7 +5,7 @@ menu "OpenThread Device Role Indicator"
     config OPENTHREAD_STATE_INDICATOR_ENABLE
         depends on SOC_RMT_SUPPORTED
         bool 'Enable the LED for openthread deivce'
-        default False
+        default n
         help
             If enabled, the LED of ESP Openthread Device will display different colors based on the current role.
 
diff --git a/examples/openthread/ot_sleepy_device/light_sleep/main/Kconfig.projbuild b/examples/openthread/ot_sleepy_device/light_sleep/main/Kconfig.projbuild
index 7ea03a4120..27aa83ff0c 100644
--- a/examples/openthread/ot_sleepy_device/light_sleep/main/Kconfig.projbuild
+++ b/examples/openthread/ot_sleepy_device/light_sleep/main/Kconfig.projbuild
@@ -2,7 +2,7 @@ menu "OpenThread Sleepy Example"
 
     config OPENTHREAD_AUTO_START
         bool 'Enable the automatic start mode.'
-        default False
+        default n
         help
             If enabled, the Openthread Device will create or connect to thread network with pre-configured
             network parameters automatically. Otherwise, user need to configure Thread via CLI command manually.
diff --git a/examples/openthread/ot_trel/main/Kconfig.projbuild b/examples/openthread/ot_trel/main/Kconfig.projbuild
index 7a37072f94..a00fd87591 100644
--- a/examples/openthread/ot_trel/main/Kconfig.projbuild
+++ b/examples/openthread/ot_trel/main/Kconfig.projbuild
@@ -2,7 +2,7 @@ menu "OpenThread TREL Example"
 
     config OPENTHREAD_AUTO_START
         bool 'Enable the automatic start mode.'
-        default False
+        default n
         help
             If enabled, the Openthread Device will create or connect to thread network with pre-configured
             network parameters automatically. Otherwise, user need to configure Thread via CLI command manually.
diff --git a/examples/storage/sd_card/sdmmc/main/Kconfig.projbuild b/examples/storage/sd_card/sdmmc/main/Kconfig.projbuild
index 70449a8e39..10f6837bf5 100644
--- a/examples/storage/sd_card/sdmmc/main/Kconfig.projbuild
+++ b/examples/storage/sd_card/sdmmc/main/Kconfig.projbuild
@@ -72,28 +72,34 @@ menu "SD/MMC Example Configuration"
 
     if !SOC_SDMMC_USE_GPIO_MATRIX
         config EXAMPLE_PIN_CMD
+            int
             depends on EXAMPLE_DEBUG_PIN_CONNECTIONS
             default 15 if IDF_TARGET_ESP32
 
         config EXAMPLE_PIN_CLK
+            int
             depends on EXAMPLE_DEBUG_PIN_CONNECTIONS
             default 14 if IDF_TARGET_ESP32
 
         config EXAMPLE_PIN_D0
+            int
             depends on EXAMPLE_DEBUG_PIN_CONNECTIONS
             default 2 if IDF_TARGET_ESP32
 
         if EXAMPLE_SDMMC_BUS_WIDTH_4
 
             config EXAMPLE_PIN_D1
+                int
                 depends on EXAMPLE_DEBUG_PIN_CONNECTIONS
                 default 4 if IDF_TARGET_ESP32
 
             config EXAMPLE_PIN_D2
+                int
                 depends on EXAMPLE_DEBUG_PIN_CONNECTIONS
                 default 12 if IDF_TARGET_ESP32
 
             config EXAMPLE_PIN_D3
+                int
                 depends on EXAMPLE_DEBUG_PIN_CONNECTIONS
                 default 13 if IDF_TARGET_ESP32
 
diff --git a/examples/wifi/wifi_eap_fast/main/Kconfig.projbuild b/examples/wifi/wifi_eap_fast/main/Kconfig.projbuild
index 6290be4287..c82d9c8e10 100644
--- a/examples/wifi/wifi_eap_fast/main/Kconfig.projbuild
+++ b/examples/wifi/wifi_eap_fast/main/Kconfig.projbuild
@@ -25,6 +25,7 @@ menu "Example Configuration"
 
     if !EXAMPLE_WPA2_ENTERPRISE
         config EXAMPLE_VALIDATE_SERVER_CERT
+            bool
             default y
     endif
 
diff --git a/examples/wifi/wifi_enterprise/main/Kconfig.projbuild b/examples/wifi/wifi_enterprise/main/Kconfig.projbuild
index 9b68237e4c..ecee60be3e 100644
--- a/examples/wifi/wifi_enterprise/main/Kconfig.projbuild
+++ b/examples/wifi/wifi_enterprise/main/Kconfig.projbuild
@@ -31,6 +31,7 @@ menu "Example Configuration"
 
     if !EXAMPLE_WPA2_ENTERPRISE
         config EXAMPLE_VALIDATE_SERVER_CERT
+            bool
             default y
     endif