diff --git a/stepmania/src/Model.cpp b/stepmania/src/Model.cpp
index eebcffd1f3..fc4dc3f949 100644
--- a/stepmania/src/Model.cpp
+++ b/stepmania/src/Model.cpp
@@ -646,7 +646,7 @@ void Model::PlayAnimation( CString sAniName, float fPlayRate )
 		{
 //			int nBoneIndex = (pMesh->nBoneIndex!=-1) ? pMesh->nBoneIndex : bone;
 			RageVector3 &pos = Vertices[j].p;
-			Sint8 bone = Vertices[j].bone;
+			int8_t bone = Vertices[j].bone;
 			if (bone != -1)
 			{
 				pos[0] -= m_vpBones[bone].mAbsolute.m[3][0];
@@ -834,7 +834,7 @@ void Model::Update( float fDelta )
 				RageVector3& originalNormal =	origVertices[j].n;
 				RageVector2& tempTex =			tempVertices[j].t;
 				RageVector2& originalTex =		origVertices[j].t;
-				Sint8 bone =					origVertices[j].bone;
+				int8_t bone =					origVertices[j].bone;
 
 				tempTex = originalTex;
 				
diff --git a/stepmania/src/RageTypes.h b/stepmania/src/RageTypes.h
index fd14368322..ec5a14ca11 100644
--- a/stepmania/src/RageTypes.h
+++ b/stepmania/src/RageTypes.h
@@ -5,8 +5,6 @@
 #ifndef RAGETYPES_H
 #define RAGETYPES_H
 
-#include "SDL_types.h"	// for Sint8
-
 enum GlowMode { GLOW_BRIGHTEN, GLOW_WHITEN };
 enum BlendMode { BLEND_NORMAL, BLEND_ADD, BLEND_NO_EFFECT, BLEND_INVALID };
 enum CullMode { CULL_BACK, CULL_FRONT, CULL_NONE };
@@ -248,7 +246,7 @@ struct RageModelVertex	// doesn't have color.  Relies on material color
     RageVector3		p;	// position
     RageVector3		n;	// normal
 	RageVector2		t;	// texture coordinates
-	Sint8			bone;
+	int8_t			bone;
 };