diff --git a/part_4_posts_streams/src/db.rs b/part_4_posts_streams/src/db.rs
index c05a9d9..84dbd1b 100644
--- a/part_4_posts_streams/src/db.rs
+++ b/part_4_posts_streams/src/db.rs
@@ -54,6 +54,7 @@ pub struct Post {
 impl Post {
     // Create a new instance of the Post struct. A default value of `false` is
     // set for `read`.
+    #[allow(dead_code)]
     pub fn new(
         key: String,
         text: String,
@@ -135,6 +136,7 @@ impl Database {
 
     /// Add a post to the database by inserting an instance of the Post struct
     /// into the post tree.
+    #[allow(dead_code)]
     pub fn add_post(&self, public_key: &str, post: Post) -> Result<Option<IVec>> {
         let post_key = format!("{}_{}", public_key, post.key);
         debug!("Serializing post data for {} to bincode", &post_key);
@@ -146,6 +148,7 @@ impl Database {
 
     /// Add a batch of posts to the database by inserting a vector of instances
     /// of the Post struct into the post tree.
+    #[allow(dead_code)]
     pub fn add_post_batch(&self, public_key: &str, posts: Vec<Post>) -> Result<()> {
         let mut post_batch = Batch::default();
 
diff --git a/part_4_posts_streams/src/sbot.rs b/part_4_posts_streams/src/sbot.rs
index 57c7e10..ce995ce 100644
--- a/part_4_posts_streams/src/sbot.rs
+++ b/part_4_posts_streams/src/sbot.rs
@@ -132,6 +132,7 @@ pub async fn unfollow_if_following(remote_peer: &str) -> Result<(), String> {
 /// Return a stream of messages authored by the given public key.
 ///
 /// This returns all messages regardless of type.
+#[allow(dead_code)]
 pub async fn get_message_stream(
     public_key: &str,
     sequence_number: u64,
@@ -162,6 +163,7 @@ pub async fn get_name(public_key: &str) -> Result<String, String> {
 /// Each returned vector element includes the key of the post, the content
 /// text, the date the post was published, the sequence number of the post
 /// and whether it is read or unread.
+#[allow(dead_code)]
 pub async fn get_root_posts(
     history_stream: impl futures::Stream<Item = Result<SsbMessageKVT, GolgiError>>,
 ) -> (u64, Vec<Post>) {
diff --git a/part_5_task_loop/src/db.rs b/part_5_task_loop/src/db.rs
index b7d60a7..0092e25 100644
--- a/part_5_task_loop/src/db.rs
+++ b/part_5_task_loop/src/db.rs
@@ -155,6 +155,7 @@ impl Database {
 
     /// Add a post to the database by inserting an instance of the Post struct
     /// into the post tree.
+    #[allow(dead_code)]
     pub fn add_post(&self, public_key: &str, post: Post) -> Result<Option<IVec>> {
         let post_key = format!("{}_{}", public_key, post.key);
         debug!("Serializing post data for {} to bincode", &post_key);
diff --git a/part_5_task_loop/src/task_loop.rs b/part_5_task_loop/src/task_loop.rs
index d71282e..d03ed6f 100644
--- a/part_5_task_loop/src/task_loop.rs
+++ b/part_5_task_loop/src/task_loop.rs
@@ -43,6 +43,7 @@ async fn fetch_name_and_update_db(db: &Database, peer_id: String) {
 pub enum Task {
     Cancel,
     FetchAllPosts(String),
+    #[allow(dead_code)]
     FetchLatestName(String),
 }
 
diff --git a/part_6_ui_layout/src/db.rs b/part_6_ui_layout/src/db.rs
index 9e50d84..f5c21bd 100644
--- a/part_6_ui_layout/src/db.rs
+++ b/part_6_ui_layout/src/db.rs
@@ -176,6 +176,7 @@ impl Database {
 
     /// Add a post to the database by inserting an instance of the Post struct
     /// into the post tree.
+    #[allow(dead_code)]
     pub fn add_post(&self, public_key: &str, post: Post) -> Result<Option<IVec>> {
         let post_key = format!("{}_{}", public_key, post.key);
         debug!("Serializing post data for {} to bincode", &post_key);
diff --git a/part_6_ui_layout/src/task_loop.rs b/part_6_ui_layout/src/task_loop.rs
index d71282e..d03ed6f 100644
--- a/part_6_ui_layout/src/task_loop.rs
+++ b/part_6_ui_layout/src/task_loop.rs
@@ -43,6 +43,7 @@ async fn fetch_name_and_update_db(db: &Database, peer_id: String) {
 pub enum Task {
     Cancel,
     FetchAllPosts(String),
+    #[allow(dead_code)]
     FetchLatestName(String),
 }
 
diff --git a/part_7_latest_posts/src/db.rs b/part_7_latest_posts/src/db.rs
index 7fc4c49..2ab33da 100644
--- a/part_7_latest_posts/src/db.rs
+++ b/part_7_latest_posts/src/db.rs
@@ -187,6 +187,7 @@ impl Database {
 
     /// Add a post to the database by inserting an instance of the Post struct
     /// into the post tree.
+    #[allow(dead_code)]
     pub fn add_post(&self, public_key: &str, post: Post) -> Result<Option<IVec>> {
         let post_key = format!("{}_{}", public_key, post.key);
         debug!("Serializing post data for {} to bincode", &post_key);
diff --git a/part_8_ui_posts/src/db.rs b/part_8_ui_posts/src/db.rs
index f60a27a..b949bd4 100644
--- a/part_8_ui_posts/src/db.rs
+++ b/part_8_ui_posts/src/db.rs
@@ -187,6 +187,7 @@ impl Database {
 
     /// Add a post to the database by inserting an instance of the Post struct
     /// into the post tree.
+    #[allow(dead_code)]
     pub fn add_post(&self, public_key: &str, post: Post) -> Result<Option<IVec>> {
         let post_key = format!("{}_{}", public_key, post.key);
         debug!("Serializing post data for {} to bincode", &post_key);