diff -Nru aterm-1.0.1.orig/src/command.c aterm-1.0.1/src/command.c
--- aterm-1.0.1.orig/src/command.c	2007-08-03 11:20:28.000000000 +0200
+++ aterm-1.0.1/src/command.c	2007-08-03 11:21:53.000000000 +0200
@@ -1869,28 +1869,18 @@
 		}
 		break;
 		
-		case XK_F1:		/* "\033OP" */
-	    case XK_F2:		/* "\033OQ" */
-	    case XK_F3:		/* "\033OR" */
-	    case XK_F4:		/* "\033OS" */
-		len = 3;
-		STRCPY(kbuf, "\033OP");
-		kbuf[2] += (keysym - XK_F1);
-		break;
-
 #define FKEY(n, fkey)							\
     len = 5;								\
     sprintf((char *) kbuf,"\033[%02d~", (int)((n) + (keysym - fkey)))
-#if 0                          /* old style keymappings : */
 	    case XK_F1:		/* "\033[11~" */
 	    case XK_F2:		/* "\033[12~" */
 	    case XK_F3:		/* "\033[13~" */
 	    case XK_F4:		/* "\033[14~" */
-		    FKEY(11, XK_F1);
+		FKEY(11, XK_F1);
 		break;
-#endif
+
 	    case XK_F5:		/* "\033[15~" */
-			FKEY(15, XK_F5);
+		FKEY(15, XK_F5);
 		break;
 
 	    case XK_F6:		/* "\033[17~" */