diff --git a/src/muz_qe/dl_compiler.h b/src/muz_qe/dl_compiler.h
index 8f40f814a..78b4623de 100644
--- a/src/muz_qe/dl_compiler.h
+++ b/src/muz_qe/dl_compiler.h
@@ -42,7 +42,6 @@ namespace datalog {
         typedef u_map<unsigned> int2int;
         typedef u_map<unsigned_vector> int2ints;
         typedef obj_map<func_decl, reg_idx> pred2idx;
-//        typedef map<func_decl *, reg_idx, ptr_hash<func_decl>,ptr_eq<func_decl> > pred2idx;
         typedef unsigned_vector var_vector;
         typedef ptr_vector<func_decl> func_decl_vector;
 
diff --git a/src/muz_qe/dl_rule_transformer.cpp b/src/muz_qe/dl_rule_transformer.cpp
index 21021ca43..0cad08cb4 100644
--- a/src/muz_qe/dl_rule_transformer.cpp
+++ b/src/muz_qe/dl_rule_transformer.cpp
@@ -107,9 +107,6 @@ namespace datalog {
                 tout << typeid(p).name()<<":\n";
                 new_rules->display(tout);
             );
-            IF_VERBOSE(1, new_rules->get_rule(0)->display(m_context, verbose_stream() << typeid(p).name() <<"\n"););
-            IF_VERBOSE(1, verbose_stream() << new_rules->get_dependencies().begin()->m_key->get_name() << "\n";);
-
         }
         if (modified) {
             rules.replace_rules(*new_rules);
diff --git a/src/muz_qe/fixedpoint_params.pyg b/src/muz_qe/fixedpoint_params.pyg
index fd7dbdcae..774559cdb 100644
--- a/src/muz_qe/fixedpoint_params.pyg
+++ b/src/muz_qe/fixedpoint_params.pyg
@@ -13,7 +13,6 @@ def_module_params('fixedpoint',
                           ('unbound_compressor', BOOL, True, "auxiliary relations will be introduced to avoid unbound variables in rule heads"),
                           ('similarity_compressor', BOOL, True, "(DATALOG) rules that differ only in values of constants will be merged into a single rule"),
                           ('similarity_compressor_threshold', UINT, 11, "(DATALOG) if similarity_compressor is on, this value determines how many similar rules there must be in order for them to be merged"),
-                          ('filter_rules', BOOL, True, "(DATALOG) apply filter compression on rules"),
                           ('all_or_nothing_deltas', BOOL, False, "(DATALOG) compile rules so that it is enough for the delta relation in union and widening operations to determine only whether the updated relation was modified or not"),
                           ('compile_with_widening', BOOL, False, "(DATALOG) widening will be used to compile recursive rules"),
                           ('eager_emptiness_checking', BOOL, True, "(DATALOG) emptiness of affected relations will be checked after each instruction, so that we may ommit unnecessary instructions"),
diff --git a/src/muz_qe/rel_context.cpp b/src/muz_qe/rel_context.cpp
index be6d999b6..ef5639279 100644
--- a/src/muz_qe/rel_context.cpp
+++ b/src/muz_qe/rel_context.cpp
@@ -113,12 +113,10 @@ namespace datalog {
         TRACE("dl", m_context.display(tout););
 
         while (true) {
-            
             m_ectx.reset();
             m_code.reset();
             termination_code.reset();
             m_context.ensure_closed();
-            IF_VERBOSE(1, verbose_stream() << "num rules: " << m_context.get_rules().get_num_rules() << "\n";);
             m_context.transform_rules();
             if (m_context.canceled()) {
                 result = l_undef;