diff --git a/src/smt/asserted_formulas.cpp b/src/smt/asserted_formulas.cpp
index 091c854a8..e535633cd 100644
--- a/src/smt/asserted_formulas.cpp
+++ b/src/smt/asserted_formulas.cpp
@@ -242,7 +242,7 @@ void asserted_formulas::reduce() {
         return;
     if (m_qhead == m_formulas.size())
         return;
-    if (!m_smt_params.m_preprocess)
+    if (!m_has_quantifiers && !m_smt_params.m_preprocess)
         return;
     if (m_macro_manager.has_macros())
         invoke(m_find_macros);
diff --git a/src/smt/smt_context.cpp b/src/smt/smt_context.cpp
index e7bea94e8..a3a2ca9ec 100644
--- a/src/smt/smt_context.cpp
+++ b/src/smt/smt_context.cpp
@@ -3075,12 +3075,11 @@ namespace smt {
         return true;
     }
 
-    bool context::reduce_assertions() {
+    void context::reduce_assertions() {
         if (!m_asserted_formulas.inconsistent()) {
             // SASSERT(at_base_level());
             m_asserted_formulas.reduce();
         }
-        return m_asserted_formulas.inconsistent();
     }
 
     static bool is_valid_assumption(ast_manager & m, expr * assumption) {
diff --git a/src/smt/smt_context.h b/src/smt/smt_context.h
index af1c4c21d..b52590c90 100644
--- a/src/smt/smt_context.h
+++ b/src/smt/smt_context.h
@@ -1561,8 +1561,7 @@ namespace smt {
 
         lbool setup_and_check(bool reset_cancel = true);
 
-        // return 'true' if assertions are inconsistent.
-        bool reduce_assertions();
+        void reduce_assertions();
 
         bool resource_limits_exceeded();