diff --git a/esphome/components/debug/debug_component.cpp b/esphome/components/debug/debug_component.cpp
index 67b07237b7..b21c21953b 100644
--- a/esphome/components/debug/debug_component.cpp
+++ b/esphome/components/debug/debug_component.cpp
@@ -1,11 +1,11 @@
 #include "debug_component.h"
 
 #include <algorithm>
-#include "esphome/core/log.h"
+#include <cinttypes>
 #include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 #include "esphome/core/version.h"
-#include <cinttypes>
 
 #ifdef USE_ESP32
 
@@ -355,7 +355,7 @@ void DebugComponent::dump_config() {
   ESP_LOGD(TAG, "Reset Reason: %s", lt_get_reboot_reason_name(lt_get_reboot_reason()));
 
   device_info += "|Version: ";
-  device_info += LT_BANNER_STR + 10;
+  device_info += &LT_BANNER_STR[10];
   device_info += "|Reset Reason: ";
   device_info += lt_get_reboot_reason_name(lt_get_reboot_reason());
   device_info += "|Chip Name: ";
diff --git a/esphome/components/libretiny/core.cpp b/esphome/components/libretiny/core.cpp
index b22740f02a..eaddb6d1fd 100644
--- a/esphome/components/libretiny/core.cpp
+++ b/esphome/components/libretiny/core.cpp
@@ -6,9 +6,6 @@
 #include "esphome/core/helpers.h"
 #include "preferences.h"
 
-void setup();
-void loop();
-
 namespace esphome {
 
 void IRAM_ATTR HOT yield() { ::yield(); }
@@ -27,7 +24,7 @@ void arch_init() {
 
 void arch_restart() {
   lt_reboot();
-  while (1) {
+  while (true) {
   }
 }
 void IRAM_ATTR HOT arch_feed_wdt() { lt_wdt_feed(); }
diff --git a/esphome/components/libretiny/lt_component.cpp b/esphome/components/libretiny/lt_component.cpp
index ec4b60eaeb..3dbafbea42 100644
--- a/esphome/components/libretiny/lt_component.cpp
+++ b/esphome/components/libretiny/lt_component.cpp
@@ -11,12 +11,12 @@ static const char *const TAG = "lt.component";
 
 void LTComponent::dump_config() {
   ESP_LOGCONFIG(TAG, "LibreTiny:");
-  ESP_LOGCONFIG(TAG, "  Version: %s", LT_BANNER_STR + 10);
+  ESP_LOGCONFIG(TAG, "  Version: %s", &LT_BANNER_STR[10]);
   ESP_LOGCONFIG(TAG, "  Loglevel: %u", LT_LOGLEVEL);
 
 #ifdef USE_TEXT_SENSOR
   if (this->version_ != nullptr) {
-    this->version_->publish_state(LT_BANNER_STR + 10);
+    this->version_->publish_state(&LT_BANNER_STR[10]);
   }
 #endif  // USE_TEXT_SENSOR
 }
diff --git a/esphome/components/libretiny/preferences.cpp b/esphome/components/libretiny/preferences.cpp
index ceeb30baf5..13c8a338a9 100644
--- a/esphome/components/libretiny/preferences.cpp
+++ b/esphome/components/libretiny/preferences.cpp
@@ -1,12 +1,12 @@
 #ifdef USE_LIBRETINY
 
 #include "esphome/core/preferences.h"
-#include "esphome/core/helpers.h"
-#include "esphome/core/log.h"
 #include <flashdb.h>
 #include <cstring>
-#include <vector>
 #include <string>
+#include <vector>
+#include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 namespace esphome {
 namespace libretiny {
@@ -74,7 +74,7 @@ class LibreTinyPreferences : public ESPPreferences {
 
   void open() {
     //
-    fdb_err_t err = fdb_kvdb_init(&db, "esphome", "kvs", NULL, NULL);
+    fdb_err_t err = fdb_kvdb_init(&db, "esphome", "kvs", nullptr, nullptr);
     if (err != FDB_NO_ERR) {
       LT_E("fdb_kvdb_init(...) failed: %d", err);
     } else {
diff --git a/esphome/components/uart/uart_component_libretiny.cpp b/esphome/components/uart/uart_component_libretiny.cpp
index c5e299e9d1..16b7ed319a 100644
--- a/esphome/components/uart/uart_component_libretiny.cpp
+++ b/esphome/components/uart/uart_component_libretiny.cpp
@@ -1,10 +1,10 @@
 #ifdef USE_LIBRETINY
 
+#include "uart_component_libretiny.h"
 #include "esphome/core/application.h"
 #include "esphome/core/defines.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
-#include "uart_component_libretiny.h"
 
 #ifdef USE_LOGGER
 #include "esphome/components/logger/logger.h"
@@ -53,27 +53,25 @@ void LibreTinyUARTComponent::setup() {
   bool tx_inverted = tx_pin_ != nullptr && tx_pin_->is_inverted();
   bool rx_inverted = rx_pin_ != nullptr && rx_pin_->is_inverted();
 
-  if (false)
-    return;
 #if LT_HW_UART0
-  else if ((tx_pin == -1 || tx_pin == PIN_SERIAL0_TX) && (rx_pin == -1 || rx_pin == PIN_SERIAL0_RX)) {
+  if ((tx_pin == -1 || tx_pin == PIN_SERIAL0_TX) && (rx_pin == -1 || rx_pin == PIN_SERIAL0_RX)) {
     this->serial_ = &Serial0;
     this->hardware_idx_ = 0;
-  }
+  } else
 #endif
 #if LT_HW_UART1
-  else if ((tx_pin == -1 || tx_pin == PIN_SERIAL1_TX) && (rx_pin == -1 || rx_pin == PIN_SERIAL1_RX)) {
+      if ((tx_pin == -1 || tx_pin == PIN_SERIAL1_TX) && (rx_pin == -1 || rx_pin == PIN_SERIAL1_RX)) {
     this->serial_ = &Serial1;
     this->hardware_idx_ = 1;
-  }
+  } else
 #endif
 #if LT_HW_UART2
-  else if ((tx_pin == -1 || tx_pin == PIN_SERIAL2_TX) && (rx_pin == -1 || rx_pin == PIN_SERIAL2_RX)) {
+      if ((tx_pin == -1 || tx_pin == PIN_SERIAL2_TX) && (rx_pin == -1 || rx_pin == PIN_SERIAL2_RX)) {
     this->serial_ = &Serial2;
     this->hardware_idx_ = 2;
-  }
+  } else
 #endif
-  else {
+  {
 #if LT_ARD_HAS_SOFTSERIAL
     this->serial_ = new SoftwareSerial(rx_pin, tx_pin, rx_inverted || tx_inverted);
 #else
diff --git a/esphome/components/wifi/wifi_component_libretiny.cpp b/esphome/components/wifi/wifi_component_libretiny.cpp
index abad5aca9c..b67f0e5912 100644
--- a/esphome/components/wifi/wifi_component_libretiny.cpp
+++ b/esphome/components/wifi/wifi_component_libretiny.cpp
@@ -2,16 +2,16 @@
 
 #ifdef USE_LIBRETINY
 
-#include <utility>
 #include <algorithm>
-#include "lwip/ip_addr.h"
-#include "lwip/err.h"
+#include <utility>
 #include "lwip/dns.h"
+#include "lwip/err.h"
+#include "lwip/ip_addr.h"
 
+#include "esphome/core/application.h"
+#include "esphome/core/hal.h"
 #include "esphome/core/helpers.h"
 #include "esphome/core/log.h"
-#include "esphome/core/hal.h"
-#include "esphome/core/application.h"
 #include "esphome/core/util.h"
 
 namespace esphome {
@@ -112,9 +112,9 @@ bool WiFiComponent::wifi_sta_connect_(const WiFiAP &ap) {
 
   s_sta_connecting = true;
 
-  WiFiStatus status = WiFi.begin(ap.get_ssid().c_str(), ap.get_password().empty() ? NULL : ap.get_password().c_str(),
+  WiFiStatus status = WiFi.begin(ap.get_ssid().c_str(), ap.get_password().empty() ? nullptr : ap.get_password().c_str(),
                                  ap.get_channel().has_value() ? *ap.get_channel() : 0,
-                                 ap.get_bssid().has_value() ? ap.get_bssid()->data() : NULL);
+                                 ap.get_bssid().has_value() ? ap.get_bssid()->data() : nullptr);
   if (status != WL_CONNECTED) {
     ESP_LOGW(TAG, "esp_wifi_connect failed! %d", status);
     return false;
@@ -438,7 +438,7 @@ bool WiFiComponent::wifi_start_ap_(const WiFiAP &ap) {
 
   yield();
 
-  return WiFi.softAP(ap.get_ssid().c_str(), ap.get_password().empty() ? NULL : ap.get_password().c_str(),
+  return WiFi.softAP(ap.get_ssid().c_str(), ap.get_password().empty() ? nullptr : ap.get_password().c_str(),
                      ap.get_channel().value_or(1), ap.get_hidden());
 }
 network::IPAddress WiFiComponent::wifi_soft_ap_ip() { return {WiFi.softAPIP()}; }