diff --git a/css/80_app.css b/css/80_app.css
index e4208e0d9..1f7bb1461 100644
--- a/css/80_app.css
+++ b/css/80_app.css
@@ -4367,7 +4367,10 @@ img.tile {
     opacity: 1;
     transition: opacity 120ms linear;
 }
-
+.layer-background img.tile {
+    /* Fix visible grid around tiles borders on Chrome */
+    mix-blend-mode: plus-lighter;
+}
 img.tile-removing {
     opacity: 0;
     z-index: 1;
diff --git a/modules/renderer/tile_layer.js b/modules/renderer/tile_layer.js
index 90fc7aca3..5f98c0ea1 100644
--- a/modules/renderer/tile_layer.js
+++ b/modules/renderer/tile_layer.js
@@ -18,8 +18,7 @@ export function rendererTileLayer(context) {
 
 
     function tileSizeAtZoom(d, z) {
-        var EPSILON = 0.002;    // close seams
-        return ((d.tileSize * Math.pow(2, z - d[2])) / d.tileSize) + EPSILON;
+        return ((d.tileSize * Math.pow(2, z - d[2])) / d.tileSize);
     }