diff --git a/src/mark.c b/src/mark.c
index 4765b79..11f20a6 100644
--- a/src/mark.c
+++ b/src/mark.c
@@ -310,12 +310,9 @@
     // to crash.
     if (c < 0)
 	return posp;
-#ifndef EBCDIC
     if (c > '~')			// check for islower()/isupper()
 	;
-    else
-#endif
-	if (c == '\'' || c == '`')	// previous context mark
+    else if (c == '\'' || c == '`')	// previous context mark
     {
 	pos_copy = curwin->w_pcmark;	// need to make a copy because
 	posp = &pos_copy;		//   w_pcmark may be changed soon