diff --git a/src/parse_util.cpp b/src/parse_util.cpp
index bdc72e458..595fe621d 100644
--- a/src/parse_util.cpp
+++ b/src/parse_util.cpp
@@ -266,10 +266,6 @@ int parse_util_locate_cmdsubst_range(const wcstring &str, size_t *inout_cursor_o
     *out_end = bracket_range_end - buff;
     if (out_is_quoted) *out_is_quoted = cmdsub_is_quoted;
 
-    // Update the inout_cursor_offset. Note this may cause it to exceed str.size(), though
-    // overflow is not likely.
-    *inout_cursor_offset = 1 + *out_end;
-
     // Update the inout_cursor_offset. Note this may cause it to exceed str.size(), though
     // overflow is not likely.
     *inout_cursor_offset = 1 + *out_end;