diff --git a/minix/commands/mined/mined.h b/minix/commands/mined/mined.h
index d0804baa5..bf3a1e06f 100644
--- a/minix/commands/mined/mined.h
+++ b/minix/commands/mined/mined.h
@@ -54,10 +54,6 @@ extern char *pos_string;	/* Absolute cursor positioning */
 
 #define STD_OUT	 	1		/* File descriptor for terminal */
 
-#if defined(__i386__)
-#define MEMORY_SIZE	(50 * 1024)	/* Size of data space to malloc */
-#endif
-
 #define REPORT	2			/* Report change of lines on # lines */
 
 typedef int FLAG;