diff --git a/src/path_info.rs b/src/path_info.rs
index 24969c9..77a8cdb 100644
--- a/src/path_info.rs
+++ b/src/path_info.rs
@@ -2,8 +2,8 @@ use std::collections::HashSet;
 
 use anyhow::{Context, Error, Result};
 use aws_sdk_s3 as s3;
+use nix_compat::nixbase32;
 use nix_compat::store_path::StorePath;
-use nix_compat::{nixbase32, nixhash::CAHash};
 use regex::Regex;
 use serde::{Deserialize, Serialize};
 use tokio::process::Command;
@@ -18,7 +18,6 @@ pub struct PathInfo {
     pub path: StorePath<String>,
     signatures: Vec<String>,
     pub references: Vec<StorePath<String>>,
-    pub ca: Option<CAHash>,
 }
 impl PathInfo {
     /// get PathInfo for a package or a store path
diff --git a/src/uploader.rs b/src/uploader.rs
index e52e4ae..0a25cff 100644
--- a/src/uploader.rs
+++ b/src/uploader.rs
@@ -157,7 +157,7 @@ impl<'a> Uploader<'a> {
             nar_size: nar.len() as u64,
             references: self.path.references.iter().map(StorePath::as_ref).collect(),
             signatures: Vec::new(),
-            ca: self.path.ca.clone(),
+            ca: None,
             system: None,
             deriver: Some(self.path.deriver.as_ref()),
             compression: Some("zstd"),