diff --git a/Content/Shaders/Utils/Culling.flax b/Content/Shaders/Utils/Culling.flax
index 5789b00b1..c9f74fec1 100644
--- a/Content/Shaders/Utils/Culling.flax
+++ b/Content/Shaders/Utils/Culling.flax
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:23c5c44dab35c72e364f7d4a51694759267bde8aa3aea7ef3aecd061f926ac5f
-size 4322
+oid sha256:75cf9fad5fd4a125020664ba607cf81b54f3cd4aeab8921d7132f572a1aed15c
+size 4449
diff --git a/Content/Shaders/Utils/MultiScaler.flax b/Content/Shaders/Utils/MultiScaler.flax
index ede322b5e..6284f9f9b 100644
--- a/Content/Shaders/Utils/MultiScaler.flax
+++ b/Content/Shaders/Utils/MultiScaler.flax
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d671350d8c4e689c697b169e9878bc388aaef89d31d839702370d66d52cdc1c5
-size 9629
+oid sha256:3075677a09f4c980832930e939dd342e7a394077ab4c42113b65e14d71833e96
+size 9625
diff --git a/Source/Shaders/Utils/Culling.shader b/Source/Shaders/Utils/Culling.shader
index f00a2b467..3f2f4b29c 100644
--- a/Source/Shaders/Utils/Culling.shader
+++ b/Source/Shaders/Utils/Culling.shader
@@ -75,7 +75,7 @@ void CS_HZBCull(uint DispatchThreadId : SV_DispatchThreadID)
     }
 
     // Calculate Hi-Z buffer mip (assumes HZB is power of two)
-#if VULKAN || defined(WGSL) || 1
+#if VULKAN || defined(WGSL) // For some reason, Vulkan needs different mip selection math
     float2 pixelSize = RTSize * (maxUV - minUV) * 2.0f;
     float mip = floor(log2(max(max(pixelSize.x, pixelSize.y), 1.0f)));
 #else
@@ -85,6 +85,7 @@ void CS_HZBCull(uint DispatchThreadId : SV_DispatchThreadID)
     mip = clamp(mip, 0, MaxMipLevel);
     float4 boundsUVs = float4(minUV, maxUV);
 
+#if 0 // TODO: figure out why it causes minor artifacts (eg. in Bistro)
     // Texel footprint for the lower (finer-grained) level
     float mipUp = max(mip - 1, 0);
     float2 scale = exp2(-mipUp);
@@ -95,6 +96,7 @@ void CS_HZBCull(uint DispatchThreadId : SV_DispatchThreadID)
     // Use the lower level if we only touch <= 2 texels in both dimensions
     if (dims.x <= 2 && dims.y <= 2)
         mip = mipUp;
+#endif
 
     // Load depths from Hi-Z buffer
     float4 depths = {