diff --git a/src/libslic3r/SupportMaterial.cpp b/src/libslic3r/SupportMaterial.cpp
index cdbd4d25b..9ab0838a5 100644
--- a/src/libslic3r/SupportMaterial.cpp
+++ b/src/libslic3r/SupportMaterial.cpp
@@ -731,7 +731,7 @@ public:
         // Generate islands, so each island may be tested for overlap with m_island_samples.
         assert(std::abs(2 * offset_in_grid) < m_grid.resolution());
         Polygons support_polygons_simplified = m_grid.contours_simplified(offset_in_grid, fill_holes);
-#endif SUPPORT_USE_AGG_RASTERIZER
+#endif // SUPPORT_USE_AGG_RASTERIZER
 
         ExPolygons islands = diff_ex(support_polygons_simplified, *m_trimming_polygons, false);
 
diff --git a/src/slic3r/GUI/WipeTowerDialog.cpp b/src/slic3r/GUI/WipeTowerDialog.cpp
index 329ee58ce..1c3c831b8 100644
--- a/src/slic3r/GUI/WipeTowerDialog.cpp
+++ b/src/slic3r/GUI/WipeTowerDialog.cpp
@@ -274,7 +274,7 @@ WipingPanel::WipingPanel(wxWindow* parent, const std::vector<float>& matrix, con
         // gets the old one, and on_kill_focus resets the control to the old value.
         // As a workaround, we get the new value from $event->GetString and store
         // here temporarily so that we can return it from get_value()
-        spin_ctrl->Bind(wxEVT_TEXT, ([this, spin_ctrl](wxCommandEvent e)
+        spin_ctrl->Bind(wxEVT_TEXT, ([spin_ctrl](wxCommandEvent e)
         {
             long value;
             const bool parsed = e.GetString().ToLong(&value);