diff --git a/plugins/GSdx/Renderers/DX11/GSRendererDX11.cpp b/plugins/GSdx/Renderers/DX11/GSRendererDX11.cpp
index 790587eb7d46b..689234a51cde2 100644
--- a/plugins/GSdx/Renderers/DX11/GSRendererDX11.cpp
+++ b/plugins/GSdx/Renderers/DX11/GSRendererDX11.cpp
@@ -993,7 +993,7 @@ void GSRendererDX11::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sou
 	}
 	else
 	{
-		EmulateAtst(tex, ps_cb.FogColor_AREF, ps_atst, false);
+		EmulateAtst(ps_cb.FogColor_AREF, ps_atst, false);
 		m_ps_sel.atst = ps_atst;
 	}
 
@@ -1083,13 +1083,13 @@ void GSRendererDX11::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sou
 		{
 			// Enable ATE as first pass to update the depth
 			// of pixels that passed the alpha test
-			EmulateAtst(tex, ps_cb.FogColor_AREF, ps_atst, false);
+			EmulateAtst(ps_cb.FogColor_AREF, ps_atst, false);
 		}
 		else
 		{
 			// second pass will process the pixels that failed
 			// the alpha test
-			EmulateAtst(tex, ps_cb.FogColor_AREF, ps_atst, true);
+			EmulateAtst(ps_cb.FogColor_AREF, ps_atst, true);
 		}
 
 		m_ps_sel.atst = ps_atst;
diff --git a/plugins/GSdx/Renderers/HW/GSRendererHW.cpp b/plugins/GSdx/Renderers/HW/GSRendererHW.cpp
index d650cd4b7b3a2..29e5f2a86e1df 100644
--- a/plugins/GSdx/Renderers/HW/GSRendererHW.cpp
+++ b/plugins/GSdx/Renderers/HW/GSRendererHW.cpp
@@ -438,7 +438,7 @@ void GSRendererHW::Lines2Sprites()
 	}
 }
 
-void GSRendererHW::EmulateAtst(const GSTextureCache::Source* tex, GSVector4& FogColor_AREF, uint8& ps_atst, const bool pass_2)
+void GSRendererHW::EmulateAtst(GSVector4& FogColor_AREF, uint8& ps_atst, const bool pass_2)
 {
 	static const uint32 inverted_atst[] = {ATST_ALWAYS, ATST_NEVER, ATST_GEQUAL, ATST_GREATER, ATST_NOTEQUAL, ATST_LESS, ATST_LEQUAL, ATST_EQUAL};
 
@@ -476,7 +476,6 @@ void GSRendererHW::EmulateAtst(const GSTextureCache::Source* tex, GSVector4& Fog
 			FogColor_AREF.a = (float)m_context->TEST.AREF;
 			ps_atst = 4;
 			break;
-
 		case ATST_NEVER: // Draw won't be done so no need to implement it in shader
 		case ATST_ALWAYS:
 		default:
diff --git a/plugins/GSdx/Renderers/HW/GSRendererHW.h b/plugins/GSdx/Renderers/HW/GSRendererHW.h
index 6af0c85f09b00..0d5a8064305b9 100644
--- a/plugins/GSdx/Renderers/HW/GSRendererHW.h
+++ b/plugins/GSdx/Renderers/HW/GSRendererHW.h
@@ -175,7 +175,7 @@ class GSRendererHW : public GSRenderer
 	GSVector2i GetCustomResolution();
 	void SetScaling();
 	void Lines2Sprites();
-	void EmulateAtst(const GSTextureCache::Source* tex, GSVector4& FogColor_AREF, uint8& atst, const bool pass_2);
+	void EmulateAtst(GSVector4& FogColor_AREF, uint8& atst, const bool pass_2);
 	void ConvertSpriteTextureShuffle(bool& write_ba, bool& read_ba);
 	GSVector4 RealignTargetTextureCoordinate(const GSTextureCache::Source* tex);
 	GSVector4i ComputeBoundingBox(const GSVector2& rtscale, const GSVector2i& rtsize);
diff --git a/plugins/GSdx/Renderers/OpenGL/GSRendererOGL.cpp b/plugins/GSdx/Renderers/OpenGL/GSRendererOGL.cpp
index f856238e412ba..cc41623ecdb4a 100644
--- a/plugins/GSdx/Renderers/OpenGL/GSRendererOGL.cpp
+++ b/plugins/GSdx/Renderers/OpenGL/GSRendererOGL.cpp
@@ -1219,7 +1219,7 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
 		m_om_dssel.zwe = false;
 		m_om_csel.wa = false;
 	} else {
-		EmulateAtst(tex, ps_cb.FogColor_AREF, ps_atst, false);
+		EmulateAtst(ps_cb.FogColor_AREF, ps_atst, false);
 		m_ps_sel.atst = ps_atst;
 	}
 
@@ -1336,13 +1336,13 @@ void GSRendererOGL::DrawPrims(GSTexture* rt, GSTexture* ds, GSTextureCache::Sour
 		{
 			// Enable ATE as first pass to update the depth
 			// of pixels that passed the alpha test
-			EmulateAtst(tex, ps_cb.FogColor_AREF, ps_atst, false);
+			EmulateAtst(ps_cb.FogColor_AREF, ps_atst, false);
 		}
 		else
 		{
 			// second pass will process the pixels that failed
 			// the alpha test
-			EmulateAtst(tex, ps_cb.FogColor_AREF, ps_atst, true);
+			EmulateAtst(ps_cb.FogColor_AREF, ps_atst, true);
 		}
 
 		m_ps_sel.atst = ps_atst;