diff --git a/src/corpus/mod.rs b/src/corpus/mod.rs
index 347ce0a617..6613bce2de 100644
--- a/src/corpus/mod.rs
+++ b/src/corpus/mod.rs
@@ -367,8 +367,7 @@ mod tests {
     fn test_queuecorpus() {
         let rand: Rc<_> = DefaultRand::preseeded().into();
         let mut q = QueueCorpus::new(OnDiskCorpus::new(&rand, PathBuf::from("fancy/path")));
-        let i = BytesInput::new(vec![0; 4]);
-        let t: Rc<_> = Testcase::with_filename(i, PathBuf::from("fancyfile")).into();
+        let t: Rc<_> = Testcase::with_filename(BytesInput::new(vec![0 as u8; 4]), PathBuf::from("fancyfile")).into();
         q.add(t);
         let filename = q
             .next()
diff --git a/src/corpus/testcase.rs b/src/corpus/testcase.rs
index 71fbcdcaed..e2441bf3e5 100644
--- a/src/corpus/testcase.rs
+++ b/src/corpus/testcase.rs
@@ -18,7 +18,7 @@ pub trait TestcaseMetadata {
     fn name(&self) -> &'static str;
 }
 
-enum FileBackedTestcase<I, P> {
+pub enum FileBackedTestcase<I, P> {
     /// A testcase on disk, not yet loaded
     Stored { filename: P },
 
diff --git a/src/executors/inmemory.rs b/src/executors/inmemory.rs
index 603c901f02..807611b081 100644
--- a/src/executors/inmemory.rs
+++ b/src/executors/inmemory.rs
@@ -202,7 +202,7 @@ mod tests {
         fn serialize(&self) -> Result<&[u8], AflError> {
             Ok("NOP".as_bytes())
         }
-        fn deserialize(buf: &[u8]) -> Result<Self, AflError> {
+        fn deserialize(_buf: &[u8]) -> Result<Self, AflError> {
             Ok(Self {})
         }
     }