diff --git a/src/content/read.rs b/src/content/read.rs
index 759a6f6..66023af 100644
--- a/src/content/read.rs
+++ b/src/content/read.rs
@@ -162,6 +162,7 @@ pub fn reflink(cache: &Path, sri: &Integrity, to: &Path) -> Result<()> {
     reflink_unchecked(cache, sri, to)
 }
 
+#[cfg(any(feature = "async-std", feature = "tokio"))]
 pub async fn reflink_async(cache: &Path, sri: &Integrity, to: &Path) -> Result<()> {
     let mut reader = open_async(cache, sri.clone()).await?;
     let mut buf = [0u8; 1024 * 8];
diff --git a/src/get.rs b/src/get.rs
index a43f49c..41b1f75 100644
--- a/src/get.rs
+++ b/src/get.rs
@@ -319,6 +319,7 @@ where
 ///     Ok(())
 /// }
 /// ```
+#[cfg(any(feature = "async-std", feature = "tokio"))]
 pub async fn reflink<P, K, Q>(cache: P, key: K, to: Q) -> Result<()>
 where
     P: AsRef<Path>,
@@ -355,6 +356,7 @@ where
 ///     Ok(())
 /// }
 /// ```
+#[cfg(any(feature = "async-std", feature = "tokio"))]
 pub async fn reflink_unchecked<P, K, Q>(cache: P, key: K, to: Q) -> Result<()>
 where
     P: AsRef<Path>,
diff --git a/src/index.rs b/src/index.rs
index 8852107..c89bcad 100644
--- a/src/index.rs
+++ b/src/index.rs
@@ -414,6 +414,7 @@ impl RemoveOpts {
     }
 
     /// Removes an individual index metadata entry. The associated content will be left in the cache.
+    #[cfg(any(feature = "async-std", feature = "tokio"))]
     pub async fn remove<P, K>(self, cache: P, key: K) -> Result<()>
     where
         P: AsRef<Path>,