diff --git a/gcc/ext-dce.cc b/gcc/ext-dce.cc
index 35ddda00cdb..a0343950141 100644
--- a/gcc/ext-dce.cc
+++ b/gcc/ext-dce.cc
@@ -643,18 +643,6 @@ ext_dce_process_uses (rtx_insn *insn, rtx obj,
 	  /* The code of the RHS of a SET.  */
 	  enum rtx_code code = GET_CODE (src);
 
-	  /* If we break the main loop below, then we will continue processing
-	     sub-components of this RTX, including the SET_DEST.
-
-	     That is not necessary if the SET_DEST is a REG.  We can just bump the
-	     iterator to the next element to skip handling the SET_DEST.
-
-	     We can probably do this for ZERO_EXTRACT, STRICT_LOW_PART and SUBREG
-	     destinations as well.  But I want to rewrite all this code and keep
-	     this fix conservative given we're deep into the gcc-15 release cycle.  */
-	  if (REG_P (dst))
-	    iter.next ();
-
 	  /* ?!? How much of this should mirror SET handling, potentially
 	     being shared?   */
 	  if (SUBREG_P (dst) && SUBREG_BYTE (dst).is_constant ())