diff --git a/src/kernel/config.c b/src/kernel/config.c
index 28147d509..7206c501f 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -101,7 +101,6 @@ struct settings global = {
 };
 
 bool lomem = false;
-FILE *logfile;
 int turn = -1;
 
 const char *parameters[MAXPARAMS] = {
diff --git a/src/kernel/config.h b/src/kernel/config.h
index 6e1059092..011c487b1 100644
--- a/src/kernel/config.h
+++ b/src/kernel/config.h
@@ -158,10 +158,8 @@ struct param;
     extern const char *localenames[];
     extern settings global;
 
-    extern bool sqlpatch;
     extern bool lomem;         /* save memory */
     extern int turn;
-    extern bool getunitpeasants;
 
 #ifdef __cplusplus
 }