diff --git a/tests/hlsl/discard.shader_test b/tests/hlsl/discard.shader_test
index cf53bf48..69272b58 100644
--- a/tests/hlsl/discard.shader_test
+++ b/tests/hlsl/discard.shader_test
@@ -19,12 +19,6 @@ probe all rgba (1, 2, 3, 4)
 [require]
 shader model >= 5.0
 
-[uav 0]
-format r32 float
-size (2d, 2, 1)
-
-0.0 0.0
-
 [uav 1]
 format r32 float
 size (2d, 2, 1)
@@ -34,7 +28,7 @@ size (2d, 2, 1)
 % Check that side effects stop happening after discard
 [pixel shader]
 uniform float4 x;
-RWTexture2D<float> y;
+RWTexture2D<float> y : register(u1);
 
 float4 main(float4 pos : sv_position) : sv_target
 {
@@ -51,14 +45,10 @@ float4 main(float4 pos : sv_position) : sv_target
 uniform 0 float4 1 2 3 4
 todo(glsl) draw quad
 probe all rgba (1, 2, 3, 4)
-if(sm<6) probe uav 1 (0, 0) r (1.0)
-if(sm<6) probe uav 1 (1, 0) r (1.0)
-if(sm>=6) probe uav 0 (0, 0) r (1.0)
-if(sm>=6) probe uav 0 (1, 0) r (1.0)
+probe uav 1 (0, 0) r (1.0)
+probe uav 1 (1, 0) r (1.0)
 uniform 0 float4 9 8 7 6
 todo(glsl) draw quad
 probe all rgba (1, 2, 3, 4)
-if(sm<6) probe uav 1 (0, 0) r (2.0)
-if(sm<6) probe uav 1 (1, 0) r (1.0)
-if(sm>=6) probe uav 0 (0, 0) r (2.0)
-if(sm>=6) probe uav 0 (1, 0) r (1.0)
+probe uav 1 (0, 0) r (2.0)
+probe uav 1 (1, 0) r (1.0)