diff --git a/Userland/Applications/PixelPaint/Filters/Filter.cpp b/Userland/Applications/PixelPaint/Filters/Filter.cpp
index c80f76b19c..e62424acfa 100644
--- a/Userland/Applications/PixelPaint/Filters/Filter.cpp
+++ b/Userland/Applications/PixelPaint/Filters/Filter.cpp
@@ -38,7 +38,7 @@ ErrorOr<RefPtr<GUI::Widget>> Filter::get_settings_widget()
     return m_settings_widget.ptr();
 }
 
-void Filter::apply() const
+void Filter::apply()
 {
     if (!m_editor)
         return;
diff --git a/Userland/Applications/PixelPaint/Filters/Filter.h b/Userland/Applications/PixelPaint/Filters/Filter.h
index 205e1b557f..de25a68e21 100644
--- a/Userland/Applications/PixelPaint/Filters/Filter.h
+++ b/Userland/Applications/PixelPaint/Filters/Filter.h
@@ -19,7 +19,7 @@ class Filter : public RefCounted<Filter> {
     friend class FilterApplicationCommand;
 
 public:
-    virtual void apply() const;
+    void apply();
     virtual void apply(Gfx::Bitmap& target_bitmap, Gfx::Bitmap const& source_bitmap) const = 0;
 
     virtual ErrorOr<RefPtr<GUI::Widget>> get_settings_widget();