diff --git a/src/corelib/tools/qstringalgorithms_p.h b/src/corelib/tools/qstringalgorithms_p.h
index 65901b0286..a12874f567 100644
--- a/src/corelib/tools/qstringalgorithms_p.h
+++ b/src/corelib/tools/qstringalgorithms_p.h
@@ -101,8 +101,6 @@ template <typename StringType> struct QStringAlgorithms
 
         if (begin == str.cbegin() && end == str.cend())
             return str;
-        if (begin == end)
-            return StringType();
         if (!isConst && str.isDetached())
             return trimmed_helper_inplace(str, begin, end);
         return StringType(begin, end - begin);