1 files changed, 9 insertions, 11 deletions
diff --git a/impl/VariableAssignment.hpp b/impl/VariableAssignment.hpp
index 67896ef..2967fb6 100644
--- a/impl/VariableAssignment.hpp
+++ b/impl/VariableAssignment.hpp
@@ -60,17 +60,15 @@ struct DynamicVariableAssignment : public VariableAssignment<Domain> {
 
   IdSet<Variable<Domain> > get_changed() {
     IdSet<Variable<Domain> > changed;
-    if (_touched.size() > 0) {
-      for (typename IdSet<Variable<Domain> >::iterator
-             it = _touched.begin(),
-             ei = _touched.end();
-           it != ei;
-           ++it) {
-        Variable<Domain>& var = _system.variable(*it);
-        if (!_unstable.contains(var) && _old_values[var] != _values[var]) {
-          changed.insert(var);
-          _touched.remove(var);
-        }
+    for (typename IdSet<Variable<Domain> >::iterator
+           it = _touched.begin(),
+           ei = _touched.end();
+         it != ei;
+         ++it) {
+      Variable<Domain>& var = _system.variable(*it);
+      if (!_unstable.contains(var) && _old_values[var] != _values[var]) {
+        changed.insert(var);
+        _touched.remove(var);
       }
     }
     //_touched.clear();