diff --git a/crates/ruma-common/src/lib.rs b/crates/ruma-common/src/lib.rs
index c0b9a684..e09cc3de 100644
--- a/crates/ruma-common/src/lib.rs
+++ b/crates/ruma-common/src/lib.rs
@@ -24,6 +24,7 @@ pub mod authentication;
 pub mod canonical_json;
 pub mod directory;
 pub mod encryption;
+#[cfg(feature = "api")]
 pub mod http_headers;
 mod identifiers;
 pub mod media;