diff --git a/src/db/db/gsiDeclDbLibrary.cc b/src/db/db/gsiDeclDbLibrary.cc
index b73829897..08bb090dc 100644
--- a/src/db/db/gsiDeclDbLibrary.cc
+++ b/src/db/db/gsiDeclDbLibrary.cc
@@ -702,59 +702,30 @@ Class<PCellDeclarationImpl> decl_PCellDeclaration (decl_PCellDeclaration_Native,
 // ---------------------------------------------------------------
 //  db::PCellParameterDeclaration binding
 
-unsigned int get_type (const db::PCellParameterDeclaration *pd)
+static unsigned int get_type (const db::PCellParameterDeclaration *pd)
 {
   return (unsigned int) pd->get_type ();
 }
 
-void set_type (db::PCellParameterDeclaration *pd, unsigned int t)
+static void set_type (db::PCellParameterDeclaration *pd, unsigned int t)
 {
   pd->set_type (db::PCellParameterDeclaration::type (t));
 }
 
-void clear_choices (db::PCellParameterDeclaration *pd)
+static void clear_choices (db::PCellParameterDeclaration *pd)
 {
   pd->set_choices (std::vector<tl::Variant> ());
   pd->set_choice_descriptions (std::vector<std::string> ());
 }
 
-void add_choice (db::PCellParameterDeclaration *pd, const std::string &d, const tl::Variant &v)
+static void add_choice (db::PCellParameterDeclaration *pd, const std::string &d, const tl::Variant &v)
 {
-  if (!pd->get_range().has_value())
-  {
-    std::vector<tl::Variant> vv = pd->get_choices ();
-    std::vector<std::string> dd = pd->get_choice_descriptions ();
-    vv.push_back (v);
-    dd.push_back (d);
-    pd->set_choice_descriptions (dd);
-    pd->set_choices (vv);
-  }
-  else
-  {
-    tl::warn
-        << "PCell parameter '" << pd->get_name() << "' has a range constraint, could not add choice '"
-        << v.to_string() << "'";
-  }
-}
-
-void set_range (db::PCellParameterDeclaration *pd, const tl::Variant& low, const tl::Variant& high, const tl::Variant& resolution, unsigned int action)
-{
-  if (pd->get_choices().empty() && pd->get_choice_descriptions().empty())
-  {
-    if ((pd->get_type() == db::PCellParameterDeclaration::t_int
-          || pd->get_type() == db::PCellParameterDeclaration::t_double) &&
-        !low.is_nil() && low.can_convert_to_double() &&
-        !high.is_nil() && high.can_convert_to_double())
-    {
-      pd->set_range(low, high, resolution, db::PCellParameterDeclaration::Action(action));
-    }
-  }
-  else
-  {
-    tl::warn
-        << "PCell parameter '" << pd->get_name() << "' has a choice constraint, could not add range '["
-        << low.to_string() << ", " << high.to_string() << "]'";
-  }
+  std::vector<tl::Variant> vv = pd->get_choices ();
+  std::vector<std::string> dd = pd->get_choice_descriptions ();
+  vv.push_back (v);
+  dd.push_back (d);
+  pd->set_choice_descriptions (dd);
+  pd->set_choices (vv);
 }
 
 static unsigned int pd_type_int ()
@@ -802,21 +773,6 @@ static unsigned int pd_type_none ()
   return (unsigned int) db::PCellParameterDeclaration::t_none;
 }
 
-static unsigned int pd_action_reject ()
-{
-  return (unsigned int) db::PCellParameterDeclaration::t_Reject;
-}
-
-static unsigned int pd_action_accept ()
-{
-  return (unsigned int) db::PCellParameterDeclaration::t_Accept;
-}
-
-static unsigned int pd_action_use_default ()
-{
-  return (unsigned int) db::PCellParameterDeclaration::t_Use_Default;
-}
-
 db::PCellParameterDeclaration *ctor_pcell_parameter (const std::string &name, unsigned int type, const std::string &description)
 {
   db::PCellParameterDeclaration *pd = new db::PCellParameterDeclaration ();
@@ -981,10 +937,7 @@ Class<db::PCellParameterDeclaration> decl_PCellParameterDeclaration ("db", "PCel
   gsi::method ("TypeLayer", &pd_type_layer, "@brief Type code: a layer (a \\LayerInfo object)") +
   gsi::method ("TypeShape", &pd_type_shape, "@brief Type code: a guiding shape (Box, Edge, Point, Polygon or Path)") +
   gsi::method ("TypeCallback", &pd_type_callback, "@brief Type code: a button triggering a callback\n\nThis code has been introduced in version 0.28.") +
-  gsi::method ("TypeNone", &pd_type_none, "@brief Type code: unspecific type") +
-  gsi::method ("REJECT", &pd_action_reject, "@brief Action type: reject violating parameter") +
-  gsi::method ("ACCEPT", &pd_action_accept, "@brief Action type: accept violating parameter") +
-  gsi::method ("USE_DEFAULT", &pd_action_use_default, "@brief Action type: use default instead violating parameter (currently not supported)")
+  gsi::method ("TypeNone", &pd_type_none, "@brief Type code: unspecific type")
   ,
   "@brief A PCell parameter declaration\n"
   "\n"
diff --git a/src/edt/edt/edtPCellParametersPage.cc b/src/edt/edt/edtPCellParametersPage.cc
index 69563b3c0..7df251096 100644
--- a/src/edt/edt/edtPCellParametersPage.cc
+++ b/src/edt/edt/edtPCellParametersPage.cc
@@ -773,10 +773,7 @@ PCellParametersPage::get_parameters_internal (db::ParameterStates &states, bool
               ps.set_value (tl::Variant (v));
               lay::indicate_error (le, (tl::Exception *) 0);
 
-              if (p->get_range().has_value())
-              {
-                check_range(tl::Variant(v), p->get_range().value());
-              }
+              check_range(tl::Variant (v), *p);
 
             } catch (tl::Exception &ex) {
 
@@ -802,10 +799,7 @@ PCellParametersPage::get_parameters_internal (db::ParameterStates &states, bool
               ps.set_value (tl::Variant (v));
               lay::indicate_error (le, (tl::Exception *) 0);
 
-              if (p->get_range().has_value())
-              {
-                check_range(tl::Variant(v), p->get_range().value());
-              }
+              check_range(tl::Variant (v), *p);
 
             } catch (tl::Exception &ex) {
 
@@ -1110,11 +1104,11 @@ void
 PCellParametersPage::check_range (const tl::Variant &value, const db::PCellParameterDeclaration &decl)
 {
   if (! decl.min_value ().is_nil () && value < decl.min_value ()) {
-    throw tl::Exception (tl::sprintf (tl::to_string (tr ("The value is below the minimum allowed value: given value is %s, minimum value is %s")), value.to_string (), decl.min_value ().to_string ()));
+    throw tl::Exception (tl::sprintf (tl::to_string (tr ("The value is lower than the minimum allowed value: given value is %s, minimum value is %s")), value.to_string (), decl.min_value ().to_string ()));
   }
 
-  if (! decl.max_value ().is_nil () && value > decl.max_value ()) {
-    throw tl::Exception (tl::sprintf (tl::to_string (tr ("The value is above the maximum allowed value: given value is %s, maximum value is %s")), value.to_string (), decl.max_value ().to_string ()));
+  if (! decl.max_value ().is_nil () && ! (value < decl.max_value () || value == decl.max_value ())) {
+    throw tl::Exception (tl::sprintf (tl::to_string (tr ("The value is higher than the maximum allowed value: given value is %s, maximum value is %s")), value.to_string (), decl.max_value ().to_string ()));
   }
 }