diff --git a/components/ulp/lp_core/lp_core/include/ulp_lp_core_utils.h b/components/ulp/lp_core/lp_core/include/ulp_lp_core_utils.h
index 3664da9e9b..970b0a878c 100644
--- a/components/ulp/lp_core/lp_core/include/ulp_lp_core_utils.h
+++ b/components/ulp/lp_core/lp_core/include/ulp_lp_core_utils.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -52,26 +52,6 @@ static inline uint32_t ulp_lp_core_get_cpu_cycles(void)
     return RV_READ_CSR(mcycle);
 }
 
-/**
- * @brief Check whether an mcycle-based timeout has elapsed.
- *
- * @note A timeout value of -1 means "wait forever".
- *       Other values are interpreted as unsigned cycle counts.
- *
- * @param start_cycle_count Cycle counter value captured at timeout start.
- * @param cycles_to_wait Timeout in CPU cycles, or -1 to disable timeout.
- *
- * @return true if timeout elapsed, false otherwise.
- */
-static inline bool ulp_lp_core_is_timeout_elapsed(uint32_t start_cycle_count, int32_t cycles_to_wait)
-{
-    if (cycles_to_wait == -1) {
-        return false;
-    }
-
-    return (ulp_lp_core_get_cpu_cycles() - start_cycle_count) >= (uint32_t)cycles_to_wait;
-}
-
 /**
  * @brief Makes the co-processor busy-wait for a certain number of microseconds.
  *