diff --git a/examples/serde-syntex-example/Cargo.toml b/examples/serde-syntex-example/Cargo.toml
index 9a150821..3c4527da 100644
--- a/examples/serde-syntex-example/Cargo.toml
+++ b/examples/serde-syntex-example/Cargo.toml
@@ -3,6 +3,7 @@ name = "serde-syntex-example"
 version = "0.1.0"
 authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>"]
 build = "build.rs"
+publish = false
 
 [features]
 default = ["serde_codegen"]
diff --git a/testing/Cargo.toml b/testing/Cargo.toml
index 6c19d8d1..debc8aa8 100644
--- a/testing/Cargo.toml
+++ b/testing/Cargo.toml
@@ -10,6 +10,7 @@ documentation = "https://docs.serde.rs/serde/"
 readme = "README.md"
 keywords = ["serialization"]
 build = "build.rs"
+publish = false
 
 [features]
 unstable-testing = ["clippy", "serde/unstable-testing", "serde_codegen/unstable-testing"]