diff --git a/src/sat/ba_solver.cpp b/src/sat/ba_solver.cpp
index 90f737109..d94b02c8d 100644
--- a/src/sat/ba_solver.cpp
+++ b/src/sat/ba_solver.cpp
@@ -1035,10 +1035,10 @@ namespace sat {
         }
 
         if (coeff0 > 0 && inc < 0) {
-            inc_bound(std::max(0LL, coeff1) - coeff0);
+            inc_bound(std::max((int64_t)0, coeff1) - coeff0);
         }
         else if (coeff0 < 0 && inc > 0) {
-            inc_bound(coeff0 - std::min(0LL, coeff1));
+            inc_bound(coeff0 - std::min((int64_t)0, coeff1));
         }
         int64_t lbound = static_cast<int64_t>(m_bound);
 
diff --git a/src/sat/sat_allocator.h b/src/sat/sat_allocator.h
index 1cbef04e0..b4e9f82e6 100644
--- a/src/sat/sat_allocator.h
+++ b/src/sat/sat_allocator.h
@@ -32,11 +32,11 @@ class sat_allocator {
         char    m_data[CHUNK_SIZE];
         chunk():m_curr(m_data) {}
     };
+    char const *              m_id;
+    size_t                    m_alloc_size;
     ptr_vector<chunk>         m_chunks;
     void *                    m_chunk_ptr;
     ptr_vector<void>          m_free[NUM_FREE];
-    size_t                    m_alloc_size;
-    char const *              m_id;
 
     unsigned align_size(size_t sz) const {
         return  free_slot_id(sz) << PTR_ALIGNMENT;
diff --git a/src/sat/sat_lookahead.h b/src/sat/sat_lookahead.h
index d03ceb64a..78cd32082 100644
--- a/src/sat/sat_lookahead.h
+++ b/src/sat/sat_lookahead.h
@@ -33,7 +33,6 @@ namespace sat {
     };
     
     inline std::ostream& operator<<(std::ostream& out, pp_prefix const& p) {
-        uint64_t q = p.m_prefix;
         unsigned d = std::min(63u, p.m_depth);
         for (unsigned i = 0; i <= d; ++i) {
             if (0 != (p.m_prefix & (1ull << i))) out << "1"; else out << "0";