diff --git a/estruct.h b/estruct.h
index 9105703..86361ed 100644
--- a/estruct.h
+++ b/estruct.h
@@ -242,10 +242,6 @@
 #define CTLX    0x0400		/* ^X flag, or'ed in            */
 #define	SPEC	0x0800		/* special key (function keys)  */
 
-#if	PKCODE
-#define	MAXNLINE	10000000	/* max lines from one file */
-#endif
-
 #ifdef	FALSE
 #undef	FALSE
 #endif
diff --git a/file.c b/file.c
index 29529c3..f3c980c 100644
--- a/file.c
+++ b/file.c
@@ -15,6 +15,11 @@
 #include "efunc.h"
 #include "line.h"
 
+#if defined(PKCODE)
+/* Max number of lines from one file. */
+#define	MAXNLINE 10000000
+#endif
+
 /*
  * Read a file into the current
  * buffer. This is really easy; all you do it