diff --git a/include/sect.h b/include/sect.h
index 336b71f1..6e64ce39 100644
--- a/include/sect.h
+++ b/include/sect.h
@@ -168,7 +168,6 @@ struct dchrstr {
 extern int sctoff(coord x, coord y);
 
 extern struct dchrstr dchr[SCT_TYPE_MAX + 2];
-extern struct dchrstr bigcity_dchr;
 #define IS_BIG_CITY(type) (dchr[(type)].d_pkg == UPKG)
 
 /* Minimal efficiency of sectors that can be knocked down (bridges) */
diff --git a/include/server.h b/include/server.h
index 0c606c16..5b75aec8 100644
--- a/include/server.h
+++ b/include/server.h
@@ -52,7 +52,4 @@ int update_reschedule(void);
 int run_hook(char *, char *);
 int shutdown_initiate(int);
 
-/* thread entry points */
-void player_kill_idle(void *);
-
 #endif
diff --git a/src/client/misc.h b/src/client/misc.h
index 75d455ea..7a6751e0 100644
--- a/src/client/misc.h
+++ b/src/client/misc.h
@@ -48,8 +48,6 @@ extern int eight_bit_clean;
 extern int input_fd;
 extern int send_eof;
 extern FILE *auxfp;
-extern char *SO;
-extern char *SE;
 
 #ifndef _WIN32
 void getsose(void);