diff --git a/3d-models.cpp b/3d-models.cpp
index 5bc741f56..72ec1d0b3 100644
--- a/3d-models.cpp
+++ b/3d-models.cpp
@@ -548,8 +548,6 @@ void geometry_information::make_revolution_cut(hpcshape &sh, int each, ld push,
   
   auto gbody = body;
   
-  int it = 0;
-  
   vector<int> nextid(n);
   vector<int> lastid(n);
   vector<bool> stillin(n, true);
@@ -558,7 +556,6 @@ void geometry_information::make_revolution_cut(hpcshape &sh, int each, ld push,
   nextid[n-1] = n-1; lastid[0] = 0;
 
   while(true) {
-    it++;
     int cand = -1;
     ld cv = 0;
     for(int i=1; i<n-1; i++) if(stillin[i]) {
@@ -787,7 +784,6 @@ void geometry_information::adjust_eye(hpcshape& eye, hpcshape head, ld shift_eye
   hyperpoint pscenter = psmin(center);
   
   ld pos = 0;
-  int qty = 0, qtyall = 0;
   
   vector<hyperpoint> pss;
   
@@ -800,8 +796,7 @@ void geometry_information::adjust_eye(hpcshape& eye, hpcshape head, ld shift_eye
   ld mindist = 1e9;
   for(int i=0; i<isize(pss); i+=3) if(pss[i][2] < zmid || (WDIM == 3 && !gproduct)) {
     ld d = sqhypot_d(2, pss[i]-pscenter) + sqhypot_d(2, pss[i+1]-pscenter) + sqhypot_d(2, pss[i+2]-pscenter);
-    if(d < mindist) mindist = d, pos = min(min(pss[i][2], pss[i+1][2]), pss[i+2][2]), qty++;
-    qtyall++;
+    if(d < mindist) mindist = d, pos = min(min(pss[i][2], pss[i+1][2]), pss[i+2][2]);
     }
   
   if(&eye == &shSkullEyes) cgi.eyelevel_human = pos = zc(eyepos) - 0.06 * SH * 0.05;
diff --git a/barriers.cpp b/barriers.cpp
index e3595d967..20b3c679a 100644
--- a/barriers.cpp
+++ b/barriers.cpp
@@ -1039,8 +1039,6 @@ EX bool valid_dir(const vector<char>& ad, int j, cell *c) {
   int a = 0;
   for(auto& dd: ad1) if(dd == 1) a++;
 
-  int a0 = 0;
-  for(auto& dd: ad) if(dd == 1) a0++;
   return a < 6;
   }
 
diff --git a/checkmove.cpp b/checkmove.cpp
index 16a5d1f01..0472d6d84 100644
--- a/checkmove.cpp
+++ b/checkmove.cpp
@@ -339,7 +339,6 @@ EX void create_yasc_message() {
   bool in_ctx = true;
 
   set<string> blocks;
-  int index = 0;
   for(auto c: all) {
     if(c.type == miENTITY && !captures.count({c.where, blocking_monster_name(c)})) blocks.insert(blocking_monster_name(c));
     else if(c.type == miWALL && c.subtype == siMONSTER && !captures.count({c.where, blocking_monster_name(c)})) blocks.insert(blocking_monster_name(c));
@@ -359,7 +358,6 @@ EX void create_yasc_message() {
       else if(c.where && c.where->wall != cwt.at->wall) blocks.insert(dnameof(c.where->wall));
       }
     else if(c.type == siWARP) blocks.insert("warp");
-    index++;
     }
 
   if(!blocks.empty()) {
@@ -481,4 +479,4 @@ EX void checkmove() {
   }
 
 
-}
\ No newline at end of file
+}
diff --git a/earcut.hpp b/earcut.hpp
index 8b3de301a..1caf8b43e 100644
--- a/earcut.hpp
+++ b/earcut.hpp
@@ -280,11 +280,8 @@ void Earcut<N>::earcutLinked(Node* ear, int pass) {
     Node* prev;
     Node* next;
 
-    int iterations = 0;
-
     // iterate through ears, slicing them one by one
     while (ear->prev != ear->next) {
-        iterations++;
         prev = ear->prev;
         next = ear->next;
 
diff --git a/rulegen3.cpp b/rulegen3.cpp
index 3a5af5312..e3cc3b89d 100644
--- a/rulegen3.cpp
+++ b/rulegen3.cpp
@@ -1288,9 +1288,6 @@ EX void test_transducers() {
           swap(cum, result);
           ctid = t_origin[ctid].at->cmove(c)->id;
           }
-        int err = 0;
-        for(auto duc: cum) for(auto p: duc.second.t)
-          if(p.first.first == ENDED || p.first.second != p.first.first) err++;
         throw_identity_errors(cum, cyc.dirs);
         if(id_size != isize(cum)) println(hlog, "error: identity not recovered correctly");
         }
@@ -1761,4 +1758,4 @@ auto hook3 = addHook(hooks_args, 100, readRuleArgs3);
 EX }
 #endif
 
-}
\ No newline at end of file
+}