diff --git a/lock.c b/lock.c
index 4c0f40e..df7f034 100644
--- a/lock.c
+++ b/lock.c
@@ -1,6 +1,4 @@
 /* lock.c -- implements lock.h */
-
-#include "estruct.h"
 #include "lock.h"
 
 /*	LOCK.C
diff --git a/lock.h b/lock.h
index aa04d75..f7907c0 100644
--- a/lock.h
+++ b/lock.h
@@ -1,9 +1,9 @@
+/* lock.h -- */
+
 #ifndef _LOCK_H_
 #define _LOCK_H_
 
-#ifndef _ESTRUCT_H_
-#error uEmacs compilation settings needs to be done!
-#endif
+#include "estruct.h"
 
 #if	BSD | SVR4
 
@@ -14,3 +14,5 @@ int unlock( const char *fname) ;
 
 #endif
 #endif
+
+/* end of lock.h */
diff --git a/pklock.c b/pklock.c
index 6f98f57..3354946 100644
--- a/pklock.c
+++ b/pklock.c
@@ -1,5 +1,4 @@
 /* pklock.c -- implements pklock.h */
-#include "estruct.h"
 #include "pklock.h"
 
 /*	PKLOCK.C
diff --git a/pklock.h b/pklock.h
index 7cba16c..81955ee 100644
--- a/pklock.h
+++ b/pklock.h
@@ -1,9 +1,9 @@
+/* pklock.h -- */
+
 #ifndef _PKLOCK_H_
 #define _PKLOCK_H_
 
-#ifndef _ESTRUCT_H_
-#error uEmacs compilation settings needs to be done!
-#endif
+#include "estruct.h"
 
 #if (FILOCK && BSD) || SVR4
 
@@ -13,3 +13,5 @@ char *undolock( const char *fname) ;
 #endif
 
 #endif
+
+/* end of pklock.h */