diff --git a/Point_set_processing_3/examples/Point_set_processing_3/CMakeLists.txt b/Point_set_processing_3/examples/Point_set_processing_3/CMakeLists.txt
index 8de75504991..3df7e1d2692 100644
--- a/Point_set_processing_3/examples/Point_set_processing_3/CMakeLists.txt
+++ b/Point_set_processing_3/examples/Point_set_processing_3/CMakeLists.txt
@@ -80,7 +80,7 @@ if ( CGAL_FOUND )
     create_single_source_cgal_program( "edges_example.cpp" )
     
     # Executables that require libpointmatcher
-    find_package(libpointmatcher)
+    find_package(libpointmatcher QUIET)
     if (libpointmatcher_FOUND)
       create_single_source_cgal_program( "registration_with_pointmatcher.cpp" )
       CGAL_target_use_pointmatcher(registration_with_pointmatcher)
@@ -89,7 +89,7 @@ if ( CGAL_FOUND )
     endif()
     
     # Executables that require OpenGR
-    find_package(OpenGR)
+    find_package(OpenGR QUIET)
     if (OpenGR_FOUND)
       create_single_source_cgal_program( "registration_with_OpenGR.cpp" )
       CGAL_target_use_OpenGR(registration_with_OpenGR)
diff --git a/Polyhedron/demo/Polyhedron/Plugins/Point_set/CMakeLists.txt b/Polyhedron/demo/Polyhedron/Plugins/Point_set/CMakeLists.txt
index 613336c8e07..051e2eb0c92 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Point_set/CMakeLists.txt
+++ b/Polyhedron/demo/Polyhedron/Plugins/Point_set/CMakeLists.txt
@@ -44,8 +44,8 @@ if(EIGEN3_FOUND)
   polyhedron_demo_plugin(point_set_shape_detection_plugin Point_set_shape_detection_plugin ${point_set_shape_detectionUI_FILES} KEYWORDS PointSetProcessing Classification)
   target_link_libraries(point_set_shape_detection_plugin PUBLIC scene_surface_mesh_item scene_points_with_normal_item scene_polygon_soup_item scene_callback_signaler)
 
-  find_package(OpenGR)
-  find_package(libpointmatcher)
+  find_package(OpenGR QUIET)
+  find_package(libpointmatcher QUIET)
 
   if (OpenGR_FOUND OR libpointmatcher_FOUND)
     qt5_wrap_ui(register_point_setsUI_FILES Register_point_sets_plugin.ui)