diff --git a/src/ast/rewriter/float_rewriter.cpp b/src/ast/rewriter/float_rewriter.cpp
index 367fa3a4c..0a4c3fc4e 100644
--- a/src/ast/rewriter/float_rewriter.cpp
+++ b/src/ast/rewriter/float_rewriter.cpp
@@ -88,7 +88,7 @@ br_status float_rewriter::mk_to_float(func_decl * f, unsigned num_args, expr * c
             m_util.fm().set(v, ebits, sbits, rm, q.to_mpq());
             result = m_util.mk_value(v);
             m_util.fm().del(v);
-            TRACE("fp_rewriter", tout << "result: " << result << std::endl; );
+            // TRACE("fp_rewriter", tout << "result: " << result << std::endl; );
             return BR_DONE;
         }
         else if (m_util.is_value(args[1], q_mpf)) {
@@ -97,7 +97,7 @@ br_status float_rewriter::mk_to_float(func_decl * f, unsigned num_args, expr * c
             m_util.fm().set(v, ebits, sbits, rm, q_mpf);
             result = m_util.mk_value(v);
             m_util.fm().del(v);
-            TRACE("fp_rewriter", tout << "result: " << result << std::endl; );
+            // TRACE("fp_rewriter", tout << "result: " << result << std::endl; );
             return BR_DONE;
         }
         else 
@@ -125,7 +125,7 @@ br_status float_rewriter::mk_to_float(func_decl * f, unsigned num_args, expr * c
 	    m_util.fm().set(v, ebits, sbits, rm, q.to_mpq(), e.to_mpq().numerator());
         result = m_util.mk_value(v);
         m_util.fm().del(v);        
-        TRACE("fp_rewriter", tout << "result: " << result << std::endl; );
+        // TRACE("fp_rewriter", tout << "result: " << result << std::endl; );
         return BR_DONE;
     }
     else {
diff --git a/src/tactic/fpa/fpa2bv_rewriter.h b/src/tactic/fpa/fpa2bv_rewriter.h
index 24e275c0d..d737683a8 100644
--- a/src/tactic/fpa/fpa2bv_rewriter.h
+++ b/src/tactic/fpa/fpa2bv_rewriter.h
@@ -226,7 +226,7 @@ struct fpa2bv_rewriter_cfg : public default_rewriter_cfg {
     bool reduce_var(var * t, expr_ref & result, proof_ref & result_pr) { 
         if (t->get_idx() >= m_bindings.size())
             return false;
-        unsigned inx = m_bindings.size() - t->get_idx() - 1;        
+        // unsigned inx = m_bindings.size() - t->get_idx() - 1;        
 
         expr_ref new_exp(m());
         sort * s = t->get_sort();