diff --git a/crates/duckdb/Cargo.toml b/crates/duckdb/Cargo.toml
index d2783176..d615a9ef 100644
--- a/crates/duckdb/Cargo.toml
+++ b/crates/duckdb/Cargo.toml
@@ -32,6 +32,8 @@ extensions-full = ["json", "parquet", "vtab-full"]
 buildtime_bindgen = ["libduckdb-sys/buildtime_bindgen"]
 modern-full = ["chrono", "serde_json", "url", "r2d2", "uuid", "polars"]
 polars = ["dep:polars"]
+time = []
+column_decltype = []
 
 [dependencies]
 libduckdb-sys = { workspace = true }
diff --git a/crates/duckdb/src/core/data_chunk.rs b/crates/duckdb/src/core/data_chunk.rs
index 7b6d2e2c..3ef35992 100644
--- a/crates/duckdb/src/core/data_chunk.rs
+++ b/crates/duckdb/src/core/data_chunk.rs
@@ -26,6 +26,7 @@ impl Drop for DataChunkHandle {
 }
 
 impl DataChunkHandle {
+    #[allow(dead_code)]
     pub(crate) unsafe fn new_unowned(ptr: duckdb_data_chunk) -> Self {
         Self { ptr, owned: false }
     }
diff --git a/crates/libduckdb-sys/Cargo.toml b/crates/libduckdb-sys/Cargo.toml
index d02c0ea0..8e6804bd 100644
--- a/crates/libduckdb-sys/Cargo.toml
+++ b/crates/libduckdb-sys/Cargo.toml
@@ -22,6 +22,7 @@ buildtime_bindgen = ["bindgen", "pkg-config", "vcpkg"]
 json = ["bundled"]
 parquet = ["bundled"]
 extensions-full = ["json", "parquet"]
+winduckdb = []
 
 [dependencies]