diff --git a/runtime/src/append_vec.rs b/runtime/src/append_vec.rs
index 806abc0d12..02aade79cc 100644
--- a/runtime/src/append_vec.rs
+++ b/runtime/src/append_vec.rs
@@ -129,9 +129,11 @@ pub struct AppendVec {
 impl Drop for AppendVec {
     fn drop(&mut self) {
         if self.remove_on_drop {
-            if let Err(e) = remove_file(&self.path) {
+            if let Err(_e) = remove_file(&self.path) {
                 // promote this to panic soon.
-                error!("AppendVec failed to remove {:?}: {:?}", &self.path, e);
+                // disabled due to many false positive warnings while running tests.
+                // blocked by rpc's updrade to jsonrpc v17
+                //error!("AppendVec failed to remove {:?}: {:?}", &self.path, e);
             }
         }
     }