diff --git a/src/meshlabplugins/edit_align/edit_align_factory.cpp b/src/meshlabplugins/edit_align/edit_align_factory.cpp
index 90336755c..7aa2d72d2 100644
--- a/src/meshlabplugins/edit_align/edit_align_factory.cpp
+++ b/src/meshlabplugins/edit_align/edit_align_factory.cpp
@@ -41,9 +41,9 @@ QList<QAction *> EditAlignFactory::actions() const
 }
 
 //get the edit tool for the given action
-MeshEditInterface* EditAlignFactory::getMeshEditInterface(QAction *)
+MeshEditInterface* EditAlignFactory::getMeshEditInterface(QAction *action)
 {
-  assert(action == editAlign);
+  assert(action == editAlign); (void) action;
   return new EditAlignPlugin();
 }
 
diff --git a/src/meshlabplugins/edit_align/point_matching_scale.cpp b/src/meshlabplugins/edit_align/point_matching_scale.cpp
index adb27f44e..8eb2def8d 100644
--- a/src/meshlabplugins/edit_align/point_matching_scale.cpp
+++ b/src/meshlabplugins/edit_align/point_matching_scale.cpp
@@ -58,8 +58,8 @@ void ComputeScalingMatchMatrix(Matrix44d &res,
 }
 
 
-double errorRotoTranslationScale(int, double *x){
-  assert(n==7);
+double errorRotoTranslationScale(int n, double *x){
+  assert(n==7); (void)n;
   double dist = 0;
   std::vector<Point3d>::iterator i = mov->begin();
   std::vector<Point3d>::iterator ifix = fix->begin();