diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 340ec590..8ed932ab 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -10,8 +10,8 @@ on:
 env:
   # Show colored output in CI.
   CARGO_TERM_COLOR: always
-  # Fail on documentation warnings, generate an index page.
-  RUSTDOCFLAGS: '-D warnings --cfg docsrs --show-type-layout --enable-index-page -Zunstable-options'
+  # Generate an index page.
+  RUSTDOCFLAGS: '--cfg docsrs --show-type-layout --enable-index-page -Zunstable-options'
 
 jobs:
   # Build documentation.
diff --git a/Cargo.lock b/Cargo.lock
index d8628217..809bdf28 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -508,6 +508,7 @@ dependencies = [
  "pretty_assertions",
  "proptest",
  "rayon",
+ "serde",
  "tempfile",
  "thread_local",
  "tokio",
diff --git a/storage/blockchain/Cargo.toml b/storage/blockchain/Cargo.toml
index 8a882142..fe242bc0 100644
--- a/storage/blockchain/Cargo.toml
+++ b/storage/blockchain/Cargo.toml
@@ -31,6 +31,7 @@ curve25519-dalek = { workspace = true }
 cuprate-pruning  = { path = "../../pruning" }
 monero-serai     = { workspace = true, features = ["std"] }
 paste            = { workspace = true }
+serde            = { workspace = true, optional = true }
 
 # `service` feature.
 crossbeam    = { workspace = true, features = ["std"], optional = true }
diff --git a/types/src/blockchain.rs b/types/src/blockchain.rs
index 5a09ca3d..4a280bec 100644
--- a/types/src/blockchain.rs
+++ b/types/src/blockchain.rs
@@ -9,11 +9,6 @@ use std::{
     ops::Range,
 };
 
-#[cfg(feature = "borsh")]
-use borsh::{BorshDeserialize, BorshSerialize};
-#[cfg(feature = "serde")]
-use serde::{Deserialize, Serialize};
-
 use crate::types::{ExtendedBlockHeader, OutputOnChain, VerifiedBlockInformation};
 
 //---------------------------------------------------------------------------------------------------- ReadRequest