diff --git a/src/math/lp/nla_basics_lemmas.cpp b/src/math/lp/nla_basics_lemmas.cpp
index f43539577..4de3674da 100644
--- a/src/math/lp/nla_basics_lemmas.cpp
+++ b/src/math/lp/nla_basics_lemmas.cpp
@@ -764,8 +764,8 @@ void basics::basic_lemma_for_mon_non_zero_model_based_mf(const factorization& f)
 // x = 0 or y = 0 -> xy = 0
 void basics::basic_lemma_for_mon_non_zero_model_based(const monic& rm, const factorization& f) {
     TRACE("nla_solver_bl", c().trace_print_monic_and_factorization(rm, f, tout););
-# NSB code review: 
-# the two branches are the same
+// NSB code review: 
+// the two branches are the same
     if (f.is_mon())
         basic_lemma_for_mon_non_zero_model_based_mf(f);
     else
diff --git a/src/math/lp/nla_core.cpp b/src/math/lp/nla_core.cpp
index 8ca9d7cc7..c3a80309d 100644
--- a/src/math/lp/nla_core.cpp
+++ b/src/math/lp/nla_core.cpp
@@ -487,7 +487,7 @@ void core::mk_ineq(const rational& a, lpvar j, llc cmp) {
     mk_ineq(a, j, cmp, rational::zero());
 }
 
-void core::mk_ineq(lpvar j, lpvar k, llc cmp, lemma& l) {
+void core::mk_ineq(lpvar j, lpvar k, llc cmp, lemma& _l) {
     mk_ineq(rational(1), j, rational(1), k, cmp, rational::zero());
 }