diff --git a/src/objects/broly.cpp b/src/objects/broly.cpp
index 76d8df3da..7cd575d13 100644
--- a/src/objects/broly.cpp
+++ b/src/objects/broly.cpp
@@ -7,100 +7,11 @@
 // See the 'LICENSE' file for more details.
 //-----------------------------------------------------------------------------
 
-#include "../math/fixed.hpp"
-#include "../math/vec.hpp"
-#include "../mobj.hpp"
+#include "broly.hpp"
 
-#include "../doomdef.h"
-#include "../info.h"
-#include "../k_kart.h"
-#include "../k_objects.h"
-#include "../m_easing.h"
-#include "../p_local.h"
-#include "../s_sound.h"
+#include "../doomstat.h"
 
-using srb2::Mobj;
-using srb2::math::Fixed;
-using srb2::math::Vec2;
-
-namespace
-{
-
-struct Broly : Mobj
-{
-	/* An object may not be visible on the same tic:
-	   1) that it spawned
-	   2) that it cycles to the next state */
-	static constexpr int kBufferTics = 2;
-
-	void extravalue1() = delete;
-	tic_t duration() const { return mobj_t::extravalue1; }
-	void duration(tic_t n) { mobj_t::extravalue1 = n; }
-
-	void threshold() = delete;
-	void extravalue2() = delete;
-	Vec2<Fixed> size() const { return {mobj_t::threshold, mobj_t::extravalue2}; }
-	void size(const Vec2<Fixed>& n)
-	{
-		mobj_t::threshold = n.x;
-		mobj_t::extravalue2 = n.y;
-	}
-
-	bool valid() const { return duration(); }
-
-	tic_t remaining() const { return tics - kBufferTics; }
-
-	Fixed linear() const { return (remaining() * FRACUNIT) / duration(); }
-
-	static Broly* spawn(Mobj* source, tic_t duration, const Vec2<Fixed>& size)
-	{
-		if (duration == 0)
-		{
-			return nullptr;
-		}
-
-		Broly* x = source->spawn_from<Broly>({}, MT_BROLY);
-
-		x->target(source);
-
-		// Shrink into center of source object.
-		x->z = source->center().z - (x->height / 2);
-
-		x->colorized = true;
-		x->color = source->color;
-		x->mobj_t::hitlag = 0; // do not copy source hitlag
-
-		x->size(size);
-		x->duration(duration);
-
-		x->tics = (duration + kBufferTics);
-
-		K_ReduceVFXForEveryone(x);
-
-		x->voice(sfx_cdfm74);
-
-		return x;
-	}
-
-	bool think()
-	{
-		if (!valid())
-		{
-			remove();
-			return false;
-		}
-
-		const Fixed center = z + (height / 2);
-		const Vec2<Fixed> v = size();
-
-		scale(Easing_OutSine(linear(), v.y, v.x));
-		z = center - (height / 2);
-
-		return true;
-	}
-};
-
-}; // namespace
+using namespace srb2::objects;
 
 mobj_t *
 Obj_SpawnBrolyKi
diff --git a/src/objects/broly.hpp b/src/objects/broly.hpp
new file mode 100644
index 000000000..df8ce7587
--- /dev/null
+++ b/src/objects/broly.hpp
@@ -0,0 +1,98 @@
+// DR. ROBOTNIK'S RING RACERS
+//-----------------------------------------------------------------------------
+// Copyright (C) 2023 by James Robert Roman
+//
+// This program is free software distributed under the
+// terms of the GNU General Public License, version 2.
+// See the 'LICENSE' file for more details.
+//-----------------------------------------------------------------------------
+
+#ifndef objects_broly_hpp
+#define objects_broly_hpp
+
+#include "objects.hpp"
+
+#include "../info.h"
+#include "../k_kart.h"
+#include "../m_easing.h"
+
+namespace srb2::objects
+{
+
+struct Broly : Mobj
+{
+	/* An object may not be visible on the same tic:
+	   1) that it spawned
+	   2) that it cycles to the next state */
+	static constexpr int kBufferTics = 2;
+
+	void extravalue1() = delete;
+	tic_t duration() const { return mobj_t::extravalue1; }
+	void duration(tic_t n) { mobj_t::extravalue1 = n; }
+
+	void threshold() = delete;
+	void extravalue2() = delete;
+	Vec2<Fixed> size() const { return {mobj_t::threshold, mobj_t::extravalue2}; }
+	void size(const Vec2<Fixed>& n)
+	{
+		mobj_t::threshold = n.x;
+		mobj_t::extravalue2 = n.y;
+	}
+
+	bool valid() const { return duration(); }
+
+	tic_t remaining() const { return tics - kBufferTics; }
+
+	Fixed linear() const { return (remaining() * FRACUNIT) / duration(); }
+
+	static Broly* spawn(Mobj* source, tic_t duration, const Vec2<Fixed>& size)
+	{
+		if (duration == 0)
+		{
+			return nullptr;
+		}
+
+		Broly* x = source->spawn_from<Broly>({}, MT_BROLY);
+
+		x->target(source);
+
+		// Shrink into center of source object.
+		x->z = source->center().z - (x->height / 2);
+
+		x->colorized = true;
+		x->color = source->color;
+		x->mobj_t::hitlag = 0; // do not copy source hitlag
+
+		x->size(size);
+		x->duration(duration);
+
+		x->tics = (duration + kBufferTics);
+
+		K_ReduceVFXForEveryone(x);
+
+		x->voice(sfx_cdfm74);
+
+		return x;
+	}
+
+	bool think()
+	{
+		if (!valid())
+		{
+			remove();
+			return false;
+		}
+
+		const Fixed center = z + (height / 2);
+		const Vec2<Fixed> v = size();
+
+		scale(Easing_OutSine(linear(), v.y, v.x));
+		z = center - (height / 2);
+
+		return true;
+	}
+};
+
+}; // namespace srb2::objects
+
+#endif/*objects_broly_hpp*/