diff --git a/artiq/firmware/runtime/lib.rs b/artiq/firmware/runtime/lib.rs
index c1618c13d..8ba424d4d 100644
--- a/artiq/firmware/runtime/lib.rs
+++ b/artiq/firmware/runtime/lib.rs
@@ -70,7 +70,9 @@ mod cache;
 mod proto;
 mod kernel_proto;
 mod session_proto;
+#[cfg(has_rtio_moninj)]
 mod moninj_proto;
+#[cfg(has_rtio_analyzer)]
 mod analyzer_proto;
 mod rpc_proto;