diff --git a/src/lib/commands/budg.c b/src/lib/commands/budg.c
index 5431f43b..58021320 100644
--- a/src/lib/commands/budg.c
+++ b/src/lib/commands/budg.c
@@ -51,10 +51,6 @@
 #include "budg.h"
 #include "commands.h"
 
-#ifndef MIN
-#define MIN(x,y)	((x) > (y) ? (y) : (x))
-#endif
-
 static void calc_all(long int (*p_sect)[2], int *taxes, int *Ncivs,
 		     int *Nuws, int *bars, int *Nbars, int *mil,
 		     int *ships, int *sbuild, int *nsbuild, int *smaint,
diff --git a/src/lib/common/bestpath.c b/src/lib/common/bestpath.c
index fe0f3cad..0931a04e 100644
--- a/src/lib/common/bestpath.c
+++ b/src/lib/common/bestpath.c
@@ -109,7 +109,6 @@ static int owned_and_navigable(s_char *, int, int, s_char *, int);
 s_char *dirchar = "juygbn";
 int dx[6] = { 2, 1, -1, -2, -1, 1 };
 int dy[6] = { 0, -1, -1, 0, 1, 1 };
-int tmp;
 
 /*
  * Ok, note that here we malloc some buffers.  BUT, we never
diff --git a/src/lib/common/wantupd.c b/src/lib/common/wantupd.c
index 0eea0442..059cb30c 100644
--- a/src/lib/common/wantupd.c
+++ b/src/lib/common/wantupd.c
@@ -90,7 +90,6 @@ demand_update_time(time_t * now)
 static void
 regular_update_time(time_t * now, time_t * tim, time_t * delta)
 {
-    s_char *p;
     time_t tw;
     int secs_per_update;
 
@@ -105,7 +104,7 @@ static int
 scheduled_update_time(time_t * now, int *which)
 {
     struct tm *tm;
-    s_char *p, *p1;
+    s_char *p;
     int curtime;
     int hour;
 
diff --git a/src/lib/subs/aircombat.c b/src/lib/subs/aircombat.c
index 7aa245fa..46d278aa 100644
--- a/src/lib/subs/aircombat.c
+++ b/src/lib/subs/aircombat.c
@@ -54,9 +54,6 @@
 #include "server.h"
 
 
-#ifndef MIN
-#define MIN(x,y) ((x) < (y) ? (x) : (y))
-#endif
 #ifndef MAX
 #define MAX(x,y) ((x) < (y) ? (y) : (x))
 #endif
@@ -66,7 +63,6 @@ static void getilist(struct emp_qelem *list, natid own,
 		     struct emp_qelem *c, struct emp_qelem *d);
 static void ac_dog(register struct plist *ap, register struct plist *dp);
 
-#define DOG_MAX         15
 #define FLAK_MAX        15
 
 		/*       -7    -6    -5    -4    -3    -2    -1    0 */
diff --git a/src/lib/subs/fortdef.c b/src/lib/subs/fortdef.c
index 6f6a5e08..9da620a3 100644
--- a/src/lib/subs/fortdef.c
+++ b/src/lib/subs/fortdef.c
@@ -50,7 +50,6 @@
 #include "optlist.h"
 #include "prototypes.h"
 
-#define	QUIET	0
 #define	NOISY	1
 
 /*
diff --git a/src/lib/subs/retreat.c b/src/lib/subs/retreat.c
index 23ab58cf..ebe72011 100644
--- a/src/lib/subs/retreat.c
+++ b/src/lib/subs/retreat.c
@@ -436,7 +436,6 @@ retreat_land1(struct lndstr *lp, s_char code, int orig)
     double mobcost;
     struct lchrstr *lcp;
     int time_to_stop;
-    s_char buf[RET_LEN - 1];
 
     lp->lnd_mission = 0;
     if (lp->lnd_own == 0)
diff --git a/src/lib/subs/show.c b/src/lib/subs/show.c
index 2772610b..c24bb83c 100644
--- a/src/lib/subs/show.c
+++ b/src/lib/subs/show.c
@@ -142,7 +142,6 @@ struct look_list {
 	struct lchrstr *lp;
 	struct plchrstr *pp;
 	struct mchrstr *mp;
-	int value;
     } l_u;
     int tech;
 } lookup_list[200];		/* Change this if there are ever more than 200 planes, ships