diff --git a/src/blitter/32bpp_sse2.hpp b/src/blitter/32bpp_sse2.hpp
--- a/src/blitter/32bpp_sse2.hpp
+++ b/src/blitter/32bpp_sse2.hpp
@@ -82,22 +82,22 @@ DECLARE_ENUM_AS_BIT_SET(Blitter_32bppSSE
 /** The SSE2 32 bpp blitter (without palette animation). */
 class Blitter_32bppSSE2 : public Blitter_32bppSimple, public Blitter_32bppSSE_Base {
 public:
-	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
+	void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override;
 	template <BlitterMode mode, Blitter_32bppSSE_Base::ReadMode read_mode, Blitter_32bppSSE_Base::BlockType bt_last, bool translucent>
 	void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
 
-	/* virtual */ Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) {
+	Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) override {
 		return Blitter_32bppSSE_Base::Encode(sprite, allocator);
 	}
 
-	/* virtual */ const char *GetName() { return "32bpp-sse2"; }
+	const char *GetName() override { return "32bpp-sse2"; }
 };
 
 /** Factory for the SSE2 32 bpp blitter (without palette animation). */
 class FBlitter_32bppSSE2 : public BlitterFactory {
 public:
 	FBlitter_32bppSSE2() : BlitterFactory("32bpp-sse2", "32bpp SSE2 Blitter (no palette animation)", HasCPUIDFlag(1, 3, 26)) {}
-	/* virtual */ Blitter *CreateInstance() { return new Blitter_32bppSSE2(); }
+	Blitter *CreateInstance() override { return new Blitter_32bppSSE2(); }
 };
 
 #endif /* WITH_SSE */