diff --git a/examples/dynamic_threads/Cargo.toml b/examples/dynamic_threads/Cargo.toml
index 6ddf443..6f5aec6 100644
--- a/examples/dynamic_threads/Cargo.toml
+++ b/examples/dynamic_threads/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "dynamic_threads"
 version = "0.1.0"
-authors = ["Yota Toyama <raviqqe@gmail.com>"]
 edition = "2021"
 publish = false
 
diff --git a/examples/free_by_borrow/Cargo.toml b/examples/free_by_borrow/Cargo.toml
index 79b4828..8c77c6a 100644
--- a/examples/free_by_borrow/Cargo.toml
+++ b/examples/free_by_borrow/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "free_by_borrow"
 version = "0.1.0"
-authors = ["Yota Toyama <raviqqe@gmail.com>"]
 edition = "2021"
 publish = false
 
diff --git a/examples/free_by_gc/Cargo.toml b/examples/free_by_gc/Cargo.toml
index 74ca1a5..bf9cd7b 100644
--- a/examples/free_by_gc/Cargo.toml
+++ b/examples/free_by_gc/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "free_by_gc"
 version = "0.1.0"
-authors = ["Yota Toyama <raviqqe@gmail.com>"]
 edition = "2021"
 publish = false
 
diff --git a/examples/static_threads/Cargo.toml b/examples/static_threads/Cargo.toml
index f6ee965..25f6010 100644
--- a/examples/static_threads/Cargo.toml
+++ b/examples/static_threads/Cargo.toml
@@ -1,7 +1,6 @@
 [package]
 name = "static_threads"
 version = "0.1.0"
-authors = ["Yota Toyama <raviqqe@gmail.com>"]
 edition = "2021"
 publish = false