diff --git a/Cargo.toml b/Cargo.toml
index 0e2649d..292a06d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ futures = "0.3.4"
 async-std = "1.5.0"
 
 [dev-dependencies]
-quickcheck = "0.9.2"
+quickcheck = "1.0.3"
 data-encoding = "2.2.0"
 remove_dir_all = "0.6.0"
 tempfile = "3.1.0"
diff --git a/src/prelude.rs b/src/prelude.rs
index 4f304c7..eeede9a 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -1,12 +1,8 @@
 //! Convenience wrapper to import all of Hypercore's core.
 //!
 //! ```rust
-//!
 //! use hypercore::prelude::*;
-//!
-//! fn main () {
-//!   let feed = Feed::default();
-//! }
+//! let feed = Feed::default();
 //! ```
 pub use crate::feed::Feed;
 // pub use feed_builder::FeedBuilder;
diff --git a/src/storage/mod.rs b/src/storage/mod.rs
index 96a75b6..c46948b 100644
--- a/src/storage/mod.rs
+++ b/src/storage/mod.rs
@@ -157,10 +157,10 @@ where
     }
 
     /// Search the signature stores for a `Signature`, starting at `index`.
-    pub fn next_signature<'a>(
-        &'a mut self,
+    pub fn next_signature(
+        &mut self,
         index: u64,
-    ) -> futures::future::BoxFuture<'a, Result<Signature>> {
+    ) -> futures::future::BoxFuture<'_, Result<Signature>> {
         let bytes = async_std::task::block_on(async {
             self.signatures
                 .read(HEADER_OFFSET + 64 * index, 64)