diff --git a/ibis/expr/api.py b/ibis/expr/api.py
index 6ec3e8e36c6c7..86409df276bb8 100644
--- a/ibis/expr/api.py
+++ b/ibis/expr/api.py
@@ -2236,9 +2236,7 @@ def _timestamp_range(
     stop: datetime.datetime | ir.TimestampValue | str,
     step: datetime.timedelta | ir.IntervalValue,
 ) -> ir.ArrayValue:
-    return ops.TimestampRange(
-        start=normalize_datetime(start), stop=normalize_datetime(stop), step=step
-    ).to_expr()
+    return ops.TimestampRange(start=start, stop=stop, step=step).to_expr()
 
 
 def _wrap_deprecated(fn, prefix=""):