diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 975874d51..c0d52463a 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -207,6 +207,7 @@ The following values are (non-configurable) constants used throughout the specif
 
 | Name | Value | Unit | Duration |
 | - | - | :-: | :-: |
+| `SECONDS_PER_SLOT` | `6` | seconds | 6 seconds |
 | `MIN_ATTESTATION_INCLUSION_DELAY` | `2**0` (= 1) | slots | 6 seconds |
 | `SLOTS_PER_EPOCH` | `2**6` (= 64) | slots | 6.4 minutes |
 | `MIN_SEED_LOOKAHEAD` | `2**0` (= 1) | epochs | 6.4 minutes |
diff --git a/specs/core/0_fork-choice.md b/specs/core/0_fork-choice.md
index 9fd8ab53e..fed5457d7 100644
--- a/specs/core/0_fork-choice.md
+++ b/specs/core/0_fork-choice.md
@@ -8,8 +8,6 @@
 - [Ethereum 2.0 Phase 0 -- Beacon Chain Fork Choice](#ethereum-20-phase-0----beacon-chain-fork-choice)
     - [Table of contents](#table-of-contents)
     - [Introduction](#introduction)
-    - [Configuration](#configuration)
-        - [Time parameters](#time-parameters)
     - [Fork choice](#fork-choice)
         - [Helpers](#helpers)
             - [`LatestMessage`](#latestmessage)
@@ -29,14 +27,6 @@
 
 This document is the beacon chain fork choice spec, part of Ethereum 2.0 Phase 0. It assumes the [beacon chain state transition function spec](./0_beacon-chain.md).
 
-## Configuration
-
-### Time parameters
-
-| Name | Value | Unit | Duration |
-| - | - | :-: | :-: |
-| `SECONDS_PER_SLOT` | `6` | seconds | 6 seconds |
-
 ## Fork choice
 
 The head block root associated with a `store` is defined as `get_head(store)`. At genesis, let `store = get_genesis_store(genesis_state)` and update `store` by running: