diff --git a/src/scripts/R.sh.in b/src/scripts/R.sh.in
index 6475145ec4f..663fa502e08 100644
--- a/src/scripts/R.sh.in
+++ b/src/scripts/R.sh.in
@@ -70,10 +70,6 @@ Options:
   --vanilla		Combine --no-save, --no-restore, --no-site-file,
 			--no-init-file and --no-environ
   --no-readline         Don't use readline for command-line editing
-  --min-vsize=N         Set vector heap min to N bytes; '4M' = 4 MegaB
-  --max-vsize=N         Set vector heap max to N bytes;
-  --min-nsize=N         Set min number of cons cells to N
-  --max-nsize=N         Set max number of cons cells to N
   --max-ppsize=N        Set max size of protect stack to N
   -q, --quiet           Don't print startup message
   --silent              Same as --quiet