diff --git a/rpcs3/Emu/RSX/Common/GLSLCommon.h b/rpcs3/Emu/RSX/Common/GLSLCommon.h
index 10da1a033e..05992a83a6 100644
--- a/rpcs3/Emu/RSX/Common/GLSLCommon.h
+++ b/rpcs3/Emu/RSX/Common/GLSLCommon.h
@@ -456,7 +456,7 @@ namespace glsl
 			OS << "	if ((control_bits & 0x10) > 0)\n";
 			OS << "	{\n";
 			OS << "		//Alphakill\n";
-			OS << "		if (!comparison_passes(rgba.a, 0., (control_bits >> 5) & 0x7))\n";
+			OS << "		if (rgba.a < 0.0000000001)\n";
 			OS << "		{\n";
 			OS << "			discard;\n";
 			OS << "			return rgba;\n";
diff --git a/rpcs3/Emu/RSX/RSXThread.cpp b/rpcs3/Emu/RSX/RSXThread.cpp
index 2efead0a88..39c82d478b 100644
--- a/rpcs3/Emu/RSX/RSXThread.cpp
+++ b/rpcs3/Emu/RSX/RSXThread.cpp
@@ -1548,12 +1548,7 @@ namespace rsx
 				if (tex.alpha_kill_enabled())
 				{
 					//alphakill can be ignored unless a valid comparison function is set
-					const rsx::comparison_function func = (rsx::comparison_function)tex.zfunc();
-					if (func < rsx::comparison_function::always && func >= rsx::comparison_function::never)
-					{
-						texture_control |= (1 << 4);			//alphakill enable
-						texture_control |= ((u32)func << 5);	//alphakill function
-					}
+					texture_control |= (1 << 4);
 				}
 
 				const u32 texaddr = rsx::get_address(tex.offset(), tex.location());