diff --git a/filament/src/materials/mipmapDepth.mat b/filament/src/materials/mipmapDepth.mat
index c5f414b1db..146ec9e7e2 100644
--- a/filament/src/materials/mipmapDepth.mat
+++ b/filament/src/materials/mipmapDepth.mat
@@ -24,23 +24,8 @@ material {
 fragment {
     void material(inout MaterialInputs material) {
         prepareMaterial(material);
-
         int level = materialParams.level;
         ivec2 xy = ivec2(gl_FragCoord.xy) * 2;
-        highp float d00 = texelFetch(materialParams_depth, xy + ivec2(0, 0), level).r;
-        highp float d10 = texelFetch(materialParams_depth, xy + ivec2(1, 0), level).r;
-        highp float d01 = texelFetch(materialParams_depth, xy + ivec2(0, 1), level).r;
-        highp float d11 = texelFetch(materialParams_depth, xy + ivec2(1, 1), level).r;
-
-        gl_FragDepth =
-
-        // conservative occlusion
-        //max(d00, max(d01, max(d10, d11)));
-
-        // conservative visibility
-        //min(d00, min(d01, min(d10, d11)));
-
-        // arithmetic mean: preserve screen-space area
-        (d00 + d01 + d10 + d11) * 0.25;
+        gl_FragDepth = texelFetch(materialParams_depth, xy + ivec2(xy.x & 1, xy.y & 1), level).r;
     }
 }