diff --git a/esphome/components/libretiny/hal.cpp b/esphome/components/libretiny/hal.cpp
index 4e94d5242b..e6dbb7296c 100644
--- a/esphome/components/libretiny/hal.cpp
+++ b/esphome/components/libretiny/hal.cpp
@@ -14,10 +14,9 @@ namespace esphome::libretiny {}  // namespace esphome::libretiny
 
 namespace esphome {
 
-// yield(), delay(), micros(), millis(), millis_64(), arch_feed_wdt(),
-// arch_get_cpu_cycle_count(), arch_get_cpu_freq_hz() inlined in
-// core/hal/hal_libretiny.h.
-void IRAM_ATTR HOT delayMicroseconds(uint32_t us) { ::delayMicroseconds(us); }
+// yield(), delay(), micros(), millis(), millis_64(), delayMicroseconds(),
+// arch_feed_wdt(), arch_get_cpu_cycle_count(), arch_get_cpu_freq_hz()
+// inlined in core/hal/hal_libretiny.h.
 
 void arch_init() {
   libretiny::setup_preferences();
diff --git a/esphome/core/hal/hal_libretiny.h b/esphome/core/hal/hal_libretiny.h
index e519698ce0..db0fc11bfb 100644
--- a/esphome/core/hal/hal_libretiny.h
+++ b/esphome/core/hal/hal_libretiny.h
@@ -51,6 +51,7 @@ extern "C" void yield(void);
 extern "C" void delay(unsigned long ms);
 extern "C" unsigned long micros(void);
 extern "C" unsigned long millis(void);
+extern "C" void delayMicroseconds(unsigned int us);
 // NOLINTEND(google-runtime-int,readability-identifier-naming,readability-redundant-declaration)
 
 // Forward decls from libretiny's <lt_api.h> family for the inline arch_*
@@ -95,11 +96,12 @@ __attribute__((always_inline)) inline uint32_t millis() { return static_cast<uin
 #endif
 __attribute__((always_inline)) inline uint64_t millis_64() { return Millis64Impl::compute(millis()); }
 
+// NOLINTNEXTLINE(readability-identifier-naming)
+__attribute__((always_inline)) inline void delayMicroseconds(uint32_t us) { ::delayMicroseconds(us); }
 __attribute__((hot, always_inline)) inline void arch_feed_wdt() { lt_wdt_feed(); }
 __attribute__((always_inline)) inline uint32_t arch_get_cpu_cycle_count() { return lt_cpu_get_cycle_count(); }
 __attribute__((always_inline)) inline uint32_t arch_get_cpu_freq_hz() { return lt_cpu_get_freq(); }
 
-void delayMicroseconds(uint32_t us);  // NOLINT(readability-identifier-naming)
 void arch_init();
 
 }  // namespace esphome