diff --git a/gfx/shader_cg.c b/gfx/shader_cg.c
index 2cfe2130ce..4ea6b4624b 100644
--- a/gfx/shader_cg.c
+++ b/gfx/shader_cg.c
@@ -36,18 +36,15 @@ static const char* stock_cg_program =
       "void main_vertex"
       "("
       "	float4 position	: POSITION,"
-      "	float4 color	: COLOR,"
       "	float2 texCoord : TEXCOORD0,"
       ""
       "  uniform float4x4 modelViewProj,"
       ""
       "	out float4 oPosition : POSITION,"
-      "	out float4 oColor    : COLOR,"
       "	out float2 otexCoord : TEXCOORD0"
       ")"
       "{"
       "	oPosition = mul(modelViewProj, position);"
-      "	oColor = color;"
       "	otexCoord = texCoord;"
       "}"
       ""