diff --git a/examples/get-started/hello_world/main/CMakeLists.txt b/examples/get-started/hello_world/main/CMakeLists.txt
index 392c049cbf..07686dc8e1 100644
--- a/examples/get-started/hello_world/main/CMakeLists.txt
+++ b/examples/get-started/hello_world/main/CMakeLists.txt
@@ -1,4 +1,2 @@
 idf_component_register(SRCS "hello_world_main.c"
                     INCLUDE_DIRS "")
-
-target_compile_options(${COMPONENT_LIB} PRIVATE "-Wno-format")
diff --git a/examples/get-started/hello_world/main/hello_world_main.c b/examples/get-started/hello_world/main/hello_world_main.c
index e03e1847f9..1208e06ec4 100644
--- a/examples/get-started/hello_world/main/hello_world_main.c
+++ b/examples/get-started/hello_world/main/hello_world_main.c
@@ -5,6 +5,7 @@
  */
 
 #include <stdio.h>
+#include <inttypes.h>
 #include "sdkconfig.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
@@ -19,25 +20,25 @@ void app_main(void)
     esp_chip_info_t chip_info;
     uint32_t flash_size;
     esp_chip_info(&chip_info);
-    printf("This is %s chip with %d CPU core(s), WiFi%s%s%s, ",
+    printf("This is %s chip with %" PRIu8 " CPU core(s), WiFi%s%s%s, ",
            CONFIG_IDF_TARGET,
            chip_info.cores,
            (chip_info.features & CHIP_FEATURE_BT) ? "/BT" : "",
            (chip_info.features & CHIP_FEATURE_BLE) ? "/BLE" : "",
            (chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
 
-    unsigned major_rev = chip_info.revision / 100;
-    unsigned minor_rev = chip_info.revision % 100;
-    printf("silicon revision v%d.%d, ", major_rev, minor_rev);
+    const uint16_t major_rev = chip_info.revision / (uint16_t)100;
+    const uint16_t minor_rev = chip_info.revision % (uint16_t)100;
+    printf("silicon revision v%" PRIu16 ".%" PRIu16 ", ", major_rev, minor_rev);
     if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
         printf("Get flash size failed");
         return;
     }
 
-    printf("%uMB %s flash\n", flash_size / (1024 * 1024),
+    printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
            (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
 
-    printf("Minimum free heap size: %d bytes\n", esp_get_minimum_free_heap_size());
+    printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
 
     for (int i = 10; i >= 0; i--) {
         printf("Restarting in %d seconds...\n", i);