diff --git a/3a-single-node-broadcast/Cargo.toml b/3a-single-node-broadcast/Cargo.toml
index 0247202..791414d 100644
--- a/3a-single-node-broadcast/Cargo.toml
+++ b/3a-single-node-broadcast/Cargo.toml
@@ -6,8 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-log = "0.4"
-log4rs = "1"
 tokio = {version = "1", features = ["full"]}
 serde = {version = "1", features = ["derive"] }
 serde_json = "1"
diff --git a/3b-multi-node-broadcast/Cargo.toml b/3b-multi-node-broadcast/Cargo.toml
index ac5f59b..af2b60b 100644
--- a/3b-multi-node-broadcast/Cargo.toml
+++ b/3b-multi-node-broadcast/Cargo.toml
@@ -6,7 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-log = "0.4"
-log4rs = "1"
 serde = {version = "1", features = ["derive"] }
 serde_json = "1"
diff --git a/3b-multi-node-broadcast/log4rs.yaml b/3b-multi-node-broadcast/log4rs.yaml
deleted file mode 100644
index 90447a1..0000000
--- a/3b-multi-node-broadcast/log4rs.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-appenders:
-  my_file_logger:
-    kind: rolling_file
-    path: "log/my.log"
-    encoder:
-      pattern: "{d(%Y-%m-%d %H:%M:%S)(utc)} - {h({l})}: {m}{n}"
-    policy:
-      trigger:
-        kind: size
-        limit: 50kb
-      roller:
-        kind: delete
-root:
-  level: trace
-  appenders:
-    - my_file_logger