diff --git a/crates/polars-io/src/cloud/options.rs b/crates/polars-io/src/cloud/options.rs
index 8738b927732f..58a23e595630 100644
--- a/crates/polars-io/src/cloud/options.rs
+++ b/crates/polars-io/src/cloud/options.rs
@@ -78,6 +78,7 @@ pub struct CloudOptions {
     pub file_cache_ttl: u64,
     pub(crate) config: Option<CloudConfig>,
     #[cfg(feature = "cloud")]
+    #[cfg_attr(feature = "serde", serde(skip))] // skipped for polars-cloud
     pub(crate) credential_provider: Option<PlCredentialProvider>,
 }