diff --git a/Cargo.lock b/Cargo.lock
index 5cb1526..17ff5e2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -53,17 +53,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "ambassador"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61874b33258f18ca7923047c12887078ccfe95c2811b03c1a09e309c19b7e50b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -1571,7 +1560,6 @@ name = "rustic-rs"
 version = "0.3.2-dev"
 dependencies = [
  "aes256ctr_poly1305aes",
- "ambassador",
  "anyhow",
  "async-recursion",
  "async-trait",
diff --git a/Cargo.toml b/Cargo.toml
index 5ca48e9..03f1915 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,6 @@ strip = true
 async-trait = "0.1"
 async-recursion = "1"
 anyhow = "1"
-ambassador = "0.2"
 thiserror = "1"
 derive_more = "0.99"
 derivative = "2"
diff --git a/src/index/mod.rs b/src/index/mod.rs
index 5673a43..058ef98 100644
--- a/src/index/mod.rs
+++ b/src/index/mod.rs
@@ -1,7 +1,6 @@
 use std::num::NonZeroU32;
 use std::sync::Arc;
 
-use ambassador::{delegatable_trait, Delegate};
 use anyhow::{anyhow, Result};
 use async_trait::async_trait;
 use bytes::Bytes;
@@ -64,7 +63,6 @@ impl IndexEntry {
     }
 }
 
-#[delegatable_trait]
 pub trait ReadIndex {
     fn get_id(&self, tpe: &BlobType, id: &Id) -> Option<IndexEntry>;
     fn total_size(&self, tpe: &BlobType) -> u64;
@@ -104,13 +102,22 @@ pub trait IndexedBackend: ReadIndex + Clone + Sync + Send + 'static {
     }
 }
 
-#[derive(Clone, Delegate)]
-#[delegate(ReadIndex, target = "index")]
+#[derive(Clone)]
 pub struct IndexBackend<BE: DecryptReadBackend> {
     be: BE,
     index: Arc<Index>,
 }
 
+impl<BE: DecryptReadBackend> ReadIndex for IndexBackend<BE> {
+    fn get_id(&self, tpe: &BlobType, id: &Id) -> Option<IndexEntry> {
+        self.index.get_id(tpe, id)
+    }
+
+    fn total_size(&self, tpe: &BlobType) -> u64 {
+        self.index.total_size(tpe)
+    }
+}
+
 impl<BE: DecryptReadBackend> IndexBackend<BE> {
     pub fn new_from_index(be: &BE, index: Index) -> Self {
         Self {