diff --git a/src/front_end_params/front_end_params.cpp b/src/front_end_params/front_end_params.cpp
index 2dc037e1b..a30e1dfd3 100644
--- a/src/front_end_params/front_end_params.cpp
+++ b/src/front_end_params/front_end_params.cpp
@@ -28,8 +28,6 @@ void front_end_params::register_params(ini_params & p) {
     p.register_int_param("ENGINE", 0, 2, reinterpret_cast<int&>(m_engine), "0: SMT solver, 1: Superposition prover, 2: EPR solver, true");
     z3_solver_params::register_params(p);
     model_params::register_params(p);
-    p.register_unsigned_param("MAX_COUNTEREXAMPLES", m_max_num_cex, 
-                              "set the maximum number of counterexamples when using Simplify front end");
     p.register_bool_param("AT_LABELS_CEX", m_at_labels_cex, 
                           "only use labels that contain '@' when building multiple counterexamples");
     p.register_bool_param("CHECK_AT_LABELS", m_check_at_labels, 
diff --git a/src/front_end_params/front_end_params.h b/src/front_end_params/front_end_params.h
index d13c01076..cd582e28a 100644
--- a/src/front_end_params/front_end_params.h
+++ b/src/front_end_params/front_end_params.h
@@ -41,7 +41,6 @@ struct front_end_params : public preprocessor_params, public spc_params, public
                            {
     ref<param_vector>   m_param_vector;
     engine              m_engine;
-    unsigned            m_max_num_cex; // maximum number of counterexamples
     bool                m_at_labels_cex; // only use labels which contains the @ symbol when building multiple counterexamples.
     bool                m_check_at_labels; // check that @ labels are inserted to generate unique counter-examples.
     bool                m_default_qid;
@@ -76,7 +75,6 @@ struct front_end_params : public preprocessor_params, public spc_params, public
     front_end_params():
         m_param_vector(alloc(param_vector, this)),
         m_engine(ENG_SMT),
-        m_max_num_cex(1),
         m_at_labels_cex(false),
         m_check_at_labels(false),
         m_default_qid(false),