diff --git a/src/catalog/src/lib.rs b/src/catalog/src/lib.rs
index 5a98a0eb0032..7703cdd898ca 100644
--- a/src/catalog/src/lib.rs
+++ b/src/catalog/src/lib.rs
@@ -30,6 +30,7 @@ use crate::error::Result;
 pub mod error;
 pub mod information_schema;
 pub mod kvbackend;
+#[cfg(any(test, feature = "testing"))]
 pub mod memory;
 mod metrics;
 pub mod table_source;