diff --git a/ports/espressif/esp-idf-config/sdkconfig-debug.defaults b/ports/espressif/esp-idf-config/sdkconfig-debug.defaults
index 9d02c62445..e93b3d2825 100644
--- a/ports/espressif/esp-idf-config/sdkconfig-debug.defaults
+++ b/ports/espressif/esp-idf-config/sdkconfig-debug.defaults
@@ -5,6 +5,12 @@ CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_DEBUG is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_NONE is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_ERROR is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_WARN is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_INFO is not set
+CONFIG_BOOTLOADER_LOG_LEVEL_DEBUG=y
+# CONFIG_BOOTLOADER_LOG_LEVEL_VERBOSE is not set
 # end of Bootloader config
 
 # CONFIG_COMPILER_OPTIMIZATION_DEFAULT is not set
@@ -60,6 +66,17 @@ CONFIG_HAL_ASSERTION_EQUALS_SYSTEM=y
 CONFIG_HAL_DEFAULT_ASSERTION_LEVEL=2
 # end of Hardware Abstraction Layer (HAL) and Low Level (LL)
 
+#
+# Log output
+#
+# CONFIG_LOG_DEFAULT_LEVEL_NONE is not set
+# CONFIG_LOG_DEFAULT_LEVEL_ERROR is not set
+# CONFIG_LOG_DEFAULT_LEVEL_WARN is not set
+# CONFIG_LOG_DEFAULT_LEVEL_INFO is not set
+CONFIG_LOG_DEFAULT_LEVEL_DEBUG=y
+# CONFIG_LOG_DEFAULT_LEVEL_VERBOSE is not set
+# end of Log output
+
 CONFIG_LWIP_ESP_LWIP_ASSERT=y
 #
 # Deprecated options for backward compatibility
diff --git a/ports/espressif/esp-idf-config/sdkconfig-opt.defaults b/ports/espressif/esp-idf-config/sdkconfig-opt.defaults
index e9b91113d5..1ccd6478fe 100644
--- a/ports/espressif/esp-idf-config/sdkconfig-opt.defaults
+++ b/ports/espressif/esp-idf-config/sdkconfig-opt.defaults
@@ -5,6 +5,12 @@ CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_DEBUG is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_NONE is not set
+CONFIG_BOOTLOADER_LOG_LEVEL_NONE=y
+# CONFIG_BOOTLOADER_LOG_LEVEL_ERROR is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_WARN is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_INFO is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_DEBUG is not set
+# CONFIG_BOOTLOADER_LOG_LEVEL_VERBOSE is not set
 # end of Bootloader config
 
 #
@@ -73,6 +79,17 @@ CONFIG_HAL_ASSERTION_EQUALS_SYSTEM=y
 CONFIG_HAL_DEFAULT_ASSERTION_LEVEL=1
 # end of Hardware Abstraction Layer (HAL) and Low Level (LL)
 
+#
+# Log output
+#
+CONFIG_LOG_DEFAULT_LEVEL_NONE=y
+# CONFIG_LOG_DEFAULT_LEVEL_ERROR is not set
+# CONFIG_LOG_DEFAULT_LEVEL_WARN is not set
+# CONFIG_LOG_DEFAULT_LEVEL_INFO is not set
+# CONFIG_LOG_DEFAULT_LEVEL_DEBUG is not set
+# CONFIG_LOG_DEFAULT_LEVEL_VERBOSE is not set
+# end of Log output
+
 #
 # LWIP
 #