diff --git a/source/common/src/ttime.c b/source/common/src/ttime.c
index d9d4fb274e..bb82863e73 100644
--- a/source/common/src/ttime.c
+++ b/source/common/src/ttime.c
@@ -795,7 +795,7 @@ int64_t taosTimeTruncate(int64_t t, const SInterval* pInterval, int32_t precisio
     // not enough time range
     if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {
       end = taosTimeAdd(start, pInterval->interval, pInterval->intervalUnit, precision) - 1;
-      while (end < t && ((start + pInterval->sliding) <= INT64_MAX)) {  // move forward to the correct time window
+      while (end < t) {  // move forward to the correct time window
         start += pInterval->sliding;
 
         if (start < 0 || INT64_MAX - start > pInterval->interval - 1) {