diff --git a/src/core/render/compiler.js b/src/core/render/compiler.js
index 124be9b7f..2fc0bfe64 100644
--- a/src/core/render/compiler.js
+++ b/src/core/render/compiler.js
@@ -200,13 +200,10 @@ export class Compiler {
       if (toc[i].ignoreSubHeading) {
         const deletedHeaderLevel = toc[i].depth;
         toc.splice(i, 1);
-        // Remove headers who are under current header
-        for (
-          let j = i;
-          j < toc.length && deletedHeaderLevel < toc[j].depth;
-          j++
-        ) {
-          toc.splice(j, 1) && j-- && i++;
+
+        // Remove all following headings with greater depth
+        while (i < toc.length && toc[i].depth > deletedHeaderLevel) {
+          toc.splice(i, 1);
         }
 
         i--;