diff --git a/src/math/polysat/forbidden_intervals.h b/src/math/polysat/forbidden_intervals.h
index 96093ed79..afe3130bf 100644
--- a/src/math/polysat/forbidden_intervals.h
+++ b/src/math/polysat/forbidden_intervals.h
@@ -10,7 +10,7 @@ Module Name:
 Author:
 
     Nikolaj Bjorner (nbjorner) 2021-03-19
-    Jakob Rath 2021-04-6
+    Jakob Rath 2021-04-06
 
 --*/
 #pragma once
@@ -29,13 +29,6 @@ namespace polysat {
         /** Create invalid fi_record */
         fi_record(): interval(eval_interval::full()) {}
 
-        fi_record(eval_interval interval, vector<signed_constraint> side_cond, signed_constraint src, rational coeff):
-            interval(interval),
-            side_cond(side_cond),
-            src(src),
-            coeff(coeff)
-        {}
-
         struct less {
             bool operator()(fi_record const& a, fi_record const& b) const {
                 return a.interval.lo_val() < b.interval.lo_val();
diff --git a/src/math/polysat/viable.h b/src/math/polysat/viable.h
index b0d76d9cf..b58eade59 100644
--- a/src/math/polysat/viable.h
+++ b/src/math/polysat/viable.h
@@ -11,7 +11,7 @@ Module Name:
 Author:
 
     Nikolaj Bjorner (nbjorner) 2021-03-19
-    Jakob Rath 2021-04-6
+    Jakob Rath 2021-04-06
 
 --*/
 #pragma once
@@ -37,9 +37,7 @@ namespace polysat {
         solver& s;
         forbidden_intervals      m_forbidden_intervals;
         
-        struct entry : public dll_base<entry>, public fi_record { 
-            entry() : fi_record({ eval_interval::full(), {}, {}, rational::one()}) {}
-        };
+        struct entry : public dll_base<entry>, public fi_record {};
         enum class entry_kind { unit_e, equal_e, diseq_e };
         
         ptr_vector<entry>                    m_alloc;