2 files changed, 4 insertions, 1 deletions
diff --git a/Cargo.toml b/Cargo.toml
index 59f0167..5c7749f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,7 @@ authenticators = []
 # Enable the test crate/feature for running benchmarks
 bench = []
 
-default = ["client"]
+default = []
 
 [package.metadata.docs.rs]
 # document all features
diff --git a/src/lib.rs b/src/lib.rs
index 2e3d3e0..e66b2d6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,6 +30,9 @@ pub mod error;
 /// Framing impl to be used with [`tokio_util::codec::Framed`]
 pub mod frame;
 
+#[cfg(all(feature = "client", feature = "server"))]
+compile_error!("feature \"client\" and feature \"server\" cannot be enabled at the same time");
+
 /// Traits for Serialization of objects
 pub mod serialize {
     use failure::Error;