diff --git a/scripts/mk_project.py b/scripts/mk_project.py
index 0e7fcf521..6b5197fa5 100644
--- a/scripts/mk_project.py
+++ b/scripts/mk_project.py
@@ -20,10 +20,10 @@ def init_project_def():
     add_lib('simplex', ['util'], 'math/simplex')
     add_lib('hilbert', ['util'], 'math/hilbert')
     add_lib('automata', ['util'], 'math/automata')
-    add_lib('params', ['util'])
     add_lib('realclosure', ['interval'], 'math/realclosure')
     add_lib('subpaving', ['interval'], 'math/subpaving')
     add_lib('ast', ['util', 'polynomial'])
+    add_lib('params', ['util', 'ast'])
     add_lib('parser_util', ['ast'], 'parsers/util')
     add_lib('euf', ['ast'], 'ast/euf')
     add_lib('grobner', ['ast', 'dd', 'simplex'], 'math/grobner')    
diff --git a/src/ast/simplifiers/euf_completion.cpp b/src/ast/simplifiers/euf_completion.cpp
index 1337562a3..02e556adb 100644
--- a/src/ast/simplifiers/euf_completion.cpp
+++ b/src/ast/simplifiers/euf_completion.cpp
@@ -54,7 +54,6 @@ Mam optimization?
 #include "ast/rewriter/var_subst.h"
 #include "ast/simplifiers/euf_completion.h"
 #include "ast/shared_occs.h"
-#include "params/tactic_params.hpp"
 #include "params/smt_params_helper.hpp"
 
 namespace euf {
@@ -99,8 +98,8 @@ namespace euf {
     }
 
     void completion::updt_params(params_ref const& p) {
-        tactic_params tp(p);
-        m_max_instantiations = tp.completion_max_instantiations();
+        smt_params_helper sp(p);
+        m_max_instantiations = sp.qi_max_instances();
     }
 
     struct completion::push_watch_rule : public trail {
diff --git a/src/params/CMakeLists.txt b/src/params/CMakeLists.txt
index b587b99ef..a00917834 100644
--- a/src/params/CMakeLists.txt
+++ b/src/params/CMakeLists.txt
@@ -14,6 +14,7 @@ z3_add_component(params
     theory_str_params.cpp        
   COMPONENT_DEPENDENCIES
     util
+    ast
   PYG_FILES
     arith_rewriter_params.pyg
     array_rewriter_params.pyg
diff --git a/src/params/tactic_params.pyg b/src/params/tactic_params.pyg
index 6fceee20c..40ea5f535 100644
--- a/src/params/tactic_params.pyg
+++ b/src/params/tactic_params.pyg
@@ -12,7 +12,6 @@ def_module_params('tactic',
                           ('lia2card.max_range', UINT, 100, "maximal range of integers to compilation into Booleans"),
                           ('lia2card.max_ite_nesting', UINT, 4, "maximal nesting depth for ite expressions to be compiled into PB constraints"),
                           ('randomizer.seed', UINT, 0, "seed for randomizer pre-processor"),
-                          ('completion.max_instantiations', UINT, UINT_MAX, "Maximal number of instantiations allowed for euf-completion"),
                           ('default_tactic', SYMBOL, '', "overwrite default tactic in strategic solver"),
 
                      #     ('aig.per_assertion', BOOL, True, "process one assertion at a time"),