diff --git a/specs/phase0/beacon-chain.md b/specs/phase0/beacon-chain.md
index 084107340..682131546 100644
--- a/specs/phase0/beacon-chain.md
+++ b/specs/phase0/beacon-chain.md
@@ -5,7 +5,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Notation](#notation)
 - [Custom types](#custom-types)
diff --git a/specs/phase0/deposit-contract.md b/specs/phase0/deposit-contract.md
index 4c340d688..02e762dae 100644
--- a/specs/phase0/deposit-contract.md
+++ b/specs/phase0/deposit-contract.md
@@ -5,7 +5,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Constants](#constants)
 - [Configuration](#configuration)
diff --git a/specs/phase0/fork-choice.md b/specs/phase0/fork-choice.md
index 8bc108caa..b5689ecd2 100644
--- a/specs/phase0/fork-choice.md
+++ b/specs/phase0/fork-choice.md
@@ -5,7 +5,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Fork choice](#fork-choice)
   - [Configuration](#configuration)
diff --git a/specs/phase0/p2p-interface.md b/specs/phase0/p2p-interface.md
index 43a097f7e..5dc892991 100644
--- a/specs/phase0/p2p-interface.md
+++ b/specs/phase0/p2p-interface.md
@@ -14,7 +14,6 @@ It consists of four main sections:
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Network fundamentals](#network-fundamentals)
   - [Transport](#transport)
   - [Encryption and identification](#encryption-and-identification)
diff --git a/specs/phase0/validator.md b/specs/phase0/validator.md
index 15be3ee70..9e2ee7b1f 100644
--- a/specs/phase0/validator.md
+++ b/specs/phase0/validator.md
@@ -8,7 +8,6 @@ This is an accompanying document to [Ethereum 2.0 Phase 0 -- The Beacon Chain](.
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Prerequisites](#prerequisites)
 - [Constants](#constants)
diff --git a/specs/phase0/weak-subjectivity.md b/specs/phase0/weak-subjectivity.md
index 9d433de8e..b4d78cb12 100644
--- a/specs/phase0/weak-subjectivity.md
+++ b/specs/phase0/weak-subjectivity.md
@@ -6,7 +6,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Prerequisites](#prerequisites)
 - [Constants](#constants)
diff --git a/specs/phase1/beacon-chain.md b/specs/phase1/beacon-chain.md
index 23ce88aa9..c8f93cc7f 100644
--- a/specs/phase1/beacon-chain.md
+++ b/specs/phase1/beacon-chain.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Custom types](#custom-types)
 - [Configuration](#configuration)
diff --git a/specs/phase1/custody-game.md b/specs/phase1/custody-game.md
index 82eb35d86..33c2a0397 100644
--- a/specs/phase1/custody-game.md
+++ b/specs/phase1/custody-game.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Constants](#constants)
   - [Misc](#misc)
diff --git a/specs/phase1/fork-choice.md b/specs/phase1/fork-choice.md
index 3845b2b74..d2e1bfefe 100644
--- a/specs/phase1/fork-choice.md
+++ b/specs/phase1/fork-choice.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
   - [Updated data structures](#updated-data-structures)
     - [Extended `Store`](#extended-store)
diff --git a/specs/phase1/light-client-sync.md b/specs/phase1/light-client-sync.md
index 4d14485dd..107baa0c6 100644
--- a/specs/phase1/light-client-sync.md
+++ b/specs/phase1/light-client-sync.md
@@ -8,7 +8,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Custom types](#custom-types)
 - [Constants](#constants)
diff --git a/specs/phase1/phase1-fork.md b/specs/phase1/phase1-fork.md
index b4ace1066..d81ca64b3 100644
--- a/specs/phase1/phase1-fork.md
+++ b/specs/phase1/phase1-fork.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Configuration](#configuration)
 - [Fork to Phase 1](#fork-to-phase-1)
diff --git a/specs/phase1/shard-fork-choice.md b/specs/phase1/shard-fork-choice.md
index 380269d13..177c9c18c 100644
--- a/specs/phase1/shard-fork-choice.md
+++ b/specs/phase1/shard-fork-choice.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Fork choice](#fork-choice)
   - [Helpers](#helpers)
diff --git a/specs/phase1/shard-transition.md b/specs/phase1/shard-transition.md
index f3a1f83ce..35d421cdd 100644
--- a/specs/phase1/shard-transition.md
+++ b/specs/phase1/shard-transition.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Helper functions](#helper-functions)
   - [Shard block verification functions](#shard-block-verification-functions)
diff --git a/specs/phase1/validator.md b/specs/phase1/validator.md
index 2bfea017e..c5893fbc6 100644
--- a/specs/phase1/validator.md
+++ b/specs/phase1/validator.md
@@ -8,7 +8,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Introduction](#introduction)
 - [Prerequisites](#prerequisites)
 - [Constants](#constants)
diff --git a/ssz/merkle-proofs.md b/ssz/merkle-proofs.md
index 2f32e43eb..6772026fe 100644
--- a/ssz/merkle-proofs.md
+++ b/ssz/merkle-proofs.md
@@ -7,7 +7,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Helper functions](#helper-functions)
 - [Generalized Merkle tree index](#generalized-merkle-tree-index)
 - [SSZ object to index](#ssz-object-to-index)
diff --git a/ssz/simple-serialize.md b/ssz/simple-serialize.md
index b0e7ec1e0..078da9eae 100644
--- a/ssz/simple-serialize.md
+++ b/ssz/simple-serialize.md
@@ -5,7 +5,6 @@
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
-
 - [Constants](#constants)
 - [Typing](#typing)
   - [Basic types](#basic-types)