diff --git a/src/math/lp/dioph_eq.cpp b/src/math/lp/dioph_eq.cpp
index 21e01e88a..9541edc60 100644
--- a/src/math/lp/dioph_eq.cpp
+++ b/src/math/lp/dioph_eq.cpp
@@ -1203,7 +1203,7 @@ namespace lp {
                     p.coeff() /= g;
                 }
                 m_sum_of_fixed[ei] = c_g;
-                // e.m_l *= (1 / g);
+                // e.m_l /= g
                 for (auto& p : m_l_matrix.m_rows[ei]) {
                     p.coeff() /= g;
                 }
diff --git a/src/math/lp/lp_settings.h b/src/math/lp/lp_settings.h
index 5ed17be01..8efff27bd 100644
--- a/src/math/lp/lp_settings.h
+++ b/src/math/lp/lp_settings.h
@@ -132,7 +132,6 @@ struct statistics {
     unsigned m_offset_eqs = 0;
     unsigned m_fixed_eqs = 0;
     unsigned m_dio_calls = 0;
-    unsigned m_dio_normalize_conflicts = 0;
     unsigned m_dio_tighten_conflicts = 0;
     unsigned m_dio_branch_iterations= 0;
     unsigned m_dio_branching_depth = 0;
@@ -176,7 +175,6 @@ struct statistics {
         st.update("arith-nra-calls", m_nra_calls);   
         st.update("arith-bounds-improvements", m_nla_bounds_improvements);
         st.update("arith-dio-calls", m_dio_calls);
-        st.update("arith-dio-normalize-conflicts", m_dio_normalize_conflicts);
         st.update("arith-dio-tighten-conflicts", m_dio_tighten_conflicts);
         st.update("arith-dio-branch-iterations", m_dio_branch_iterations);
         st.update("arith-dio-branch-depths", m_dio_branching_depth);