diff --git a/main.js b/main.js
index 5ad4f637..0872ee04 100644
--- a/main.js
+++ b/main.js
@@ -944,9 +944,6 @@ function reGraph() {
   const newCells = {p:[], g:[], h:[]}; // to store new data
   const spacing2 = grid.spacing ** 2;
 
-  console.log("Graph points:", points);
-  console.log("Graph T points:", cells.t);
-
   for (const i of cells.i) {
     const height = cells.h[i];
     const type = cells.t[i];
@@ -978,8 +975,6 @@ function reGraph() {
     newCells.h.push(height);
   }
 
-  console.log("New points:", newCells.p);
-
   calculateVoronoi(pack, newCells.p);
   cells = pack.cells;
   cells.p = newCells.p; // points coordinates [x, y]
@@ -1059,7 +1054,6 @@ function drawCoastline() {
     const chain = []; // vertices chain to form a path
     for (let i=0, current = start; i === 0 || current !== start && i < 50000; i++) {
       const prev = chain[chain.length-1]; // previous vertex in chain
-      //d3.select("#labels").append("text").attr("x", vertices.p[current][0]).attr("y", vertices.p[current][1]).text(i).attr("font-size", "1px");
       chain.push(current); // add current vertex to sequence
       const c = vertices.c[current] // cells adjacent to vertex
       const v = vertices.v[current] // neighboring vertices
@@ -1071,7 +1065,6 @@ function drawCoastline() {
       if (v[2] !== prev && c0 !== c2) current = v[2];
       if (current === chain[chain.length-1]) {ERROR && console.error("Next vertex is not found"); break;}
     }
-    //chain.push(chain[0]); // push first vertex as the last one
     return chain;
   }
 
diff --git a/modules/ocean-layers.js b/modules/ocean-layers.js
index 371e88cc..2194f7b0 100644
--- a/modules/ocean-layers.js
+++ b/modules/ocean-layers.js
@@ -16,7 +16,7 @@
     const limits = outline === "random" ? randomizeOutline() : outline.split(",").map(s => +s);
 
     const chains = [];
-    const opacity = rn(0.4 / limits.length, 2);
+    const opacity = rn(.4 / limits.length, 2);
     used = new Uint8Array(pointsN); // to detect already passed cells
 
     for (const i of cells.i) {