diff --git a/src/sat/sat_aig_simplifier.h b/src/sat/sat_aig_simplifier.h
index 8b665b832..4cde99d5d 100644
--- a/src/sat/sat_aig_simplifier.h
+++ b/src/sat/sat_aig_simplifier.h
@@ -16,7 +16,7 @@
 
   --*/
 
-#pragma once;
+#pragma once
 
 #include "sat/sat_aig_finder.h"
 #include "sat/sat_cutset.h"
diff --git a/src/sat/sat_anf_simplifier.cpp b/src/sat/sat_anf_simplifier.cpp
index 9e852e1c6..f326074ce 100644
--- a/src/sat/sat_anf_simplifier.cpp
+++ b/src/sat/sat_anf_simplifier.cpp
@@ -40,8 +40,8 @@ namespace sat {
             
     void anf_simplifier::operator()() {
         dd::pdd_manager m(20, dd::pdd_manager::semantics::mod2_e);
-        report _report(*this);
         pdd_solver solver(s.rlimit(), m);
+        report _report(*this);
         configure_solver(solver);
         clauses2anf(solver);
         TRACE("anf_simplifier", solver.display(tout); s.display(tout););
diff --git a/src/sat/sat_anf_simplifier.h b/src/sat/sat_anf_simplifier.h
index a508d1446..beee9e9b4 100644
--- a/src/sat/sat_anf_simplifier.h
+++ b/src/sat/sat_anf_simplifier.h
@@ -17,7 +17,7 @@
   
 
   --*/
-#pragma once;
+#pragma once
 
 #include "util/params.h"
 #include "util/statistics.h"
diff --git a/src/sat/sat_cutset.h b/src/sat/sat_cutset.h
index fd8b24548..c58e4d07e 100644
--- a/src/sat/sat_cutset.h
+++ b/src/sat/sat_cutset.h
@@ -11,7 +11,7 @@
 
   --*/
 
-#pragma once;
+#pragma once
 #include "util/region.h"
 
 namespace sat {
diff --git a/src/sat/sat_xor_finder.cpp b/src/sat/sat_xor_finder.cpp
index dffe6b1a0..d19162c76 100644
--- a/src/sat/sat_xor_finder.cpp
+++ b/src/sat/sat_xor_finder.cpp
@@ -17,7 +17,6 @@
   
 
   --*/
-#pragma once;
 
 #include "sat/sat_xor_finder.h"
 #include "sat/sat_solver.h"
diff --git a/src/sat/sat_xor_finder.h b/src/sat/sat_xor_finder.h
index a20de0534..fb2432161 100644
--- a/src/sat/sat_xor_finder.h
+++ b/src/sat/sat_xor_finder.h
@@ -19,7 +19,7 @@
 
   --*/
 
-#pragma once;
+#pragma once
 
 #include "util/params.h"
 #include "util/statistics.h"
diff --git a/src/tactic/fd_solver/smtfd_solver.cpp b/src/tactic/fd_solver/smtfd_solver.cpp
index 598365117..6237f0202 100644
--- a/src/tactic/fd_solver/smtfd_solver.cpp
+++ b/src/tactic/fd_solver/smtfd_solver.cpp
@@ -1620,7 +1620,6 @@ namespace smtfd {
         unsigned_vector m_toggles_lim;
         model_ref       m_model;
         std::string     m_reason_unknown;
-        unsigned        m_max_conflicts;
 
         void set_delay_simplify() {
             params_ref p;
@@ -1863,8 +1862,7 @@ namespace smtfd {
             m_assertions(m),
             m_assertions_qhead(0),
             m_axioms(m),
-            m_toggles(m),
-            m_max_conflicts(50)
+            m_toggles(m)
         {            
             updt_params(p);
             add_toggle(m.mk_true());