diff --git a/src/muz/base/dl_context.cpp b/src/muz/base/dl_context.cpp
index 7eed67ff0..f08efb00a 100644
--- a/src/muz/base/dl_context.cpp
+++ b/src/muz/base/dl_context.cpp
@@ -289,6 +289,13 @@ namespace datalog {
     bool context::magic_sets_for_queries() const { return m_params->magic_sets_for_queries();  }
     bool context::eager_emptiness_checking() const { return m_params->eager_emptiness_checking(); }
 
+    bool context::bit_blast() const { return m_params->bit_blast(); }
+    bool context::karr() const { return m_params->karr(); }
+    bool context::scale() const { return m_params->scale(); }
+    bool context::magic() const { return m_params->magic(); }
+    bool context::quantify_arrays() const { return m_params->quantify_arrays(); }
+    bool context::instantiate_quantifiers() const { return m_params->instantiate_quantifiers(); }
+
 
     void context::register_finite_sort(sort * s, sort_kind k) {
         m_pinned.push_back(s);
diff --git a/src/muz/base/dl_context.h b/src/muz/base/dl_context.h
index 2eb9e0652..5eef04202 100644
--- a/src/muz/base/dl_context.h
+++ b/src/muz/base/dl_context.h
@@ -262,6 +262,12 @@ namespace datalog {
         bool explanations_on_relation_level() const;
         bool magic_sets_for_queries() const;
         bool eager_emptiness_checking() const;
+        bool bit_blast() const;
+        bool karr() const;
+        bool scale() const;
+        bool magic() const;
+        bool quantify_arrays() const;
+        bool instantiate_quantifiers() const;
 
         void register_finite_sort(sort * s, sort_kind k);
 
diff --git a/src/muz/transforms/dl_mk_bit_blast.cpp b/src/muz/transforms/dl_mk_bit_blast.cpp
index 08f295ff4..91481ed5a 100644
--- a/src/muz/transforms/dl_mk_bit_blast.cpp
+++ b/src/muz/transforms/dl_mk_bit_blast.cpp
@@ -254,7 +254,7 @@ namespace datalog {
         
         rule_set * operator()(rule_set const & source) {
             // TODO pc
-            if (!m_context.get_params().bit_blast()) {
+            if (!m_context.bit_blast()) {
                 return 0;
             }
             rule_manager& rm = m_context.get_rule_manager();
diff --git a/src/muz/transforms/dl_mk_karr_invariants.cpp b/src/muz/transforms/dl_mk_karr_invariants.cpp
index b4ab66bc2..ced0d39f4 100644
--- a/src/muz/transforms/dl_mk_karr_invariants.cpp
+++ b/src/muz/transforms/dl_mk_karr_invariants.cpp
@@ -39,7 +39,6 @@ Revision History:
 #include"dl_mk_karr_invariants.h"
 #include"dl_mk_backwards.h"
 #include"dl_mk_loop_counter.h"
-#include"fixedpoint_params.hpp"
 
 namespace datalog {
 
@@ -197,7 +196,7 @@ namespace datalog {
     }
     
     rule_set * mk_karr_invariants::operator()(rule_set const & source) {
-        if (!m_ctx.get_params().karr()) {
+        if (!m_ctx.karr()) {
             return 0;
         }
         rule_set::iterator it = source.begin(), end = source.end();
diff --git a/src/muz/transforms/dl_mk_magic_symbolic.cpp b/src/muz/transforms/dl_mk_magic_symbolic.cpp
index 57490466c..1d269cff0 100644
--- a/src/muz/transforms/dl_mk_magic_symbolic.cpp
+++ b/src/muz/transforms/dl_mk_magic_symbolic.cpp
@@ -54,7 +54,6 @@ Revision History:
 
 #include"dl_mk_magic_symbolic.h"
 #include"dl_context.h"
-#include"fixedpoint_params.hpp"
 
 namespace datalog {
 
@@ -68,7 +67,7 @@ namespace datalog {
     mk_magic_symbolic::~mk_magic_symbolic() { }
         
     rule_set * mk_magic_symbolic::operator()(rule_set const & source) {
-        if (!m_ctx.get_params().magic()) {
+        if (!m_ctx.magic()) {
             return 0;
         }
         context& ctx = source.get_context();
diff --git a/src/muz/transforms/dl_mk_quantifier_abstraction.cpp b/src/muz/transforms/dl_mk_quantifier_abstraction.cpp
index e686495e9..0ad4d61ab 100644
--- a/src/muz/transforms/dl_mk_quantifier_abstraction.cpp
+++ b/src/muz/transforms/dl_mk_quantifier_abstraction.cpp
@@ -300,8 +300,7 @@ namespace datalog {
     }
         
     rule_set * mk_quantifier_abstraction::operator()(rule_set const & source) {
-        TRACE("dl", tout << "quantify " << source.get_num_rules() << " " << m_ctx.get_params().quantify_arrays() << "\n";);
-        if (!m_ctx.get_params().quantify_arrays()) {
+        if (!m_ctx.quantify_arrays()) {
             return 0;
         }
         unsigned sz = source.get_num_rules();
diff --git a/src/muz/transforms/dl_mk_quantifier_instantiation.cpp b/src/muz/transforms/dl_mk_quantifier_instantiation.cpp
index ebb9310a4..9c55ca658 100644
--- a/src/muz/transforms/dl_mk_quantifier_instantiation.cpp
+++ b/src/muz/transforms/dl_mk_quantifier_instantiation.cpp
@@ -26,7 +26,6 @@ Revision History:
 #include "dl_mk_quantifier_instantiation.h"
 #include "dl_context.h"
 #include "pattern_inference.h"
-#include "fixedpoint_params.hpp"
 
 
 namespace datalog {
@@ -251,8 +250,7 @@ namespace datalog {
     }
         
     rule_set * mk_quantifier_instantiation::operator()(rule_set const & source) {
-        TRACE("dl", tout << m_ctx.get_params().instantiate_quantifiers() << "\n";);
-        if (!m_ctx.get_params().instantiate_quantifiers()) {
+        if (!m_ctx.instantiate_quantifiers()) {
             return 0;
         }
         bool has_quantifiers = false;
diff --git a/src/muz/transforms/dl_mk_scale.cpp b/src/muz/transforms/dl_mk_scale.cpp
index 9618db88e..9ada7be20 100644
--- a/src/muz/transforms/dl_mk_scale.cpp
+++ b/src/muz/transforms/dl_mk_scale.cpp
@@ -115,7 +115,7 @@ namespace datalog {
     }
         
     rule_set * mk_scale::operator()(rule_set const & source) {
-        if (!m_ctx.get_params().scale()) {
+        if (!m_ctx.scale()) {
             return 0;
         }
         rule_manager& rm = source.get_rule_manager();