diff --git a/examples/webgl_materials_texture_filters.html b/examples/webgl_materials_texture_filters.html
index 1cb315cf90aad3..9c336f7fe649ba 100644
--- a/examples/webgl_materials_texture_filters.html
+++ b/examples/webgl_materials_texture_filters.html
@@ -163,13 +163,13 @@
 
 						zscene.add( zmesh );
 
-						var meshFrame = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000, polygonOffset: true, polygonOffsetFactor: 1, polygonOffsetUnits: 5 } )  );
+						var meshFrame = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000 } ) );
+						meshFrame.position.z = - 10.0;
 						meshFrame.scale.x = 1.1 * image.width / 100;
 						meshFrame.scale.y = 1.1 * image.height / 100;
-
 						zscene.add( meshFrame );
 
-						var meshShadow = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000, opacity: 0.75, transparent: true } )  );
+						var meshShadow = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000, opacity: 0.75, transparent: true } ) );
 						meshShadow.position.y = - 1.1 * image.height/2;
 						meshShadow.position.z = - 1.1 * image.height/2;
 						meshShadow.rotation.x = - Math.PI / 2;
diff --git a/examples/webgl_materials_texture_manualmipmap.html b/examples/webgl_materials_texture_manualmipmap.html
index 738a665b069678..86e4d0b4f5d736 100644
--- a/examples/webgl_materials_texture_manualmipmap.html
+++ b/examples/webgl_materials_texture_manualmipmap.html
@@ -177,10 +177,10 @@
 
 						zscene.add( zmesh );
 
-						var meshFrame = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000, polygonOffset: true, polygonOffsetFactor: 1, polygonOffsetUnits: 5 } ) );
+						var meshFrame = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000 } ) );
+						meshFrame.position.z = - 10.0;
 						meshFrame.scale.x = 1.1 * image.width / 100;
 						meshFrame.scale.y = 1.1 * image.height / 100;
-
 						zscene.add( meshFrame );
 
 						var meshShadow = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: 0x000000, opacity: 0.75, transparent: true } ) );