diff --git a/src/measurement/piezo_measure.c b/src/measurement/piezo_measure.c
index 6c10410..3df7ae3 100644
--- a/src/measurement/piezo_measure.c
+++ b/src/measurement/piezo_measure.c
@@ -199,10 +199,9 @@ int piezo_measure_sweep(void)
     uint16_t samples = cfg->samples;
     uint8_t avg = cfg->avg;
 
-    // 너무 짧은 delay가 들어오면 burst 직후 ADC capture가 겹치므로 최소 delay 보장
-    if (capture_delay_us < PIEZO_BURST_TO_ADC_DELAY_US)
+    if (capture_delay_us < 0)
     {
-        capture_delay_us = PIEZO_BURST_TO_ADC_DELAY_US;
+        capture_delay_us = 0;
     }
 
     DBG_PRINTF("[SWEEP] freq=0x%04X cycles=%u avg=%u delay_us=%u samples=%u\r\n", cfg->freq, cfg->cycles, cfg->avg, cfg->delay_us, cfg->samples);