diff --git a/fuzzers/fuzzbench/src/lib.rs b/fuzzers/fuzzbench/src/lib.rs
index c5ad670f73..eef5e6f119 100644
--- a/fuzzers/fuzzbench/src/lib.rs
+++ b/fuzzers/fuzzbench/src/lib.rs
@@ -24,7 +24,7 @@ use libafl::{
         tuples::{tuple_list, Merge},
         AsSlice,
     },
-    corpus::{Corpus, OnDiskCorpus},
+    corpus::{Corpus, InMemoryOnDiskCorpus, OnDiskCorpus},
     events::SimpleRestartingEventManager,
     executors::{inprocess::InProcessExecutor, ExitKind, TimeoutExecutor},
     feedback_or,
@@ -271,7 +271,7 @@ fn fuzz(
             // RNG
             StdRand::with_seed(current_nanos()),
             // Corpus that will be evolved, we keep it in memory for performance
-            OnDiskCorpus::new(corpus_dir).unwrap(),
+            InMemoryOnDiskCorpus::new(corpus_dir).unwrap(),
             // Corpus in which we store solutions (crashes in this example),
             // on disk so the user can get them after stopping the fuzzer
             OnDiskCorpus::new(objective_dir).unwrap(),
diff --git a/libafl/src/bolts/llmp.rs b/libafl/src/bolts/llmp.rs
index 853b1ac387..22280b9bd0 100644
--- a/libafl/src/bolts/llmp.rs
+++ b/libafl/src/bolts/llmp.rs
@@ -1053,7 +1053,7 @@ where
                 "PROGRAM ABORT : BUG: EOP does not fit in page! page {page:?}, size_current {:?}, size_total {:?}",
                 ptr::addr_of!((*page).size_used), ptr::addr_of!((*page).size_total));
 
-        let mut ret: *mut LlmpMsg = if last_msg.is_null() {
+        let ret: *mut LlmpMsg = if last_msg.is_null() {
             (*page).messages.as_mut_ptr()
         } else {
             llmp_next_msg_ptr_checked(map, last_msg, EOP_MSG_SIZE)?
@@ -1266,7 +1266,7 @@ where
         let mut new_map_shmem =
             self.new_or_unused_shmem((*old_map).sender_id, next_min_shmem_size)?;
 
-        let mut new_map = new_map_shmem.page_mut();
+        let new_map = new_map_shmem.page_mut();
 
         #[cfg(feature = "llmp_debug")]
         log::info!("got new map at: {new_map:?}");
@@ -1286,7 +1286,7 @@ where
         let out = self.alloc_eop()?;
 
         #[allow(clippy::cast_ptr_alignment)]
-        let mut end_of_page_msg = (*out).buf.as_mut_ptr() as *mut LlmpPayloadSharedMapInfo;
+        let end_of_page_msg = (*out).buf.as_mut_ptr() as *mut LlmpPayloadSharedMapInfo;
         (*end_of_page_msg).map_size = new_map_shmem.shmem.len();
         (*end_of_page_msg).shm_str = *new_map_shmem.shmem.id().as_array();
 
@@ -2091,7 +2091,7 @@ where
 
     /// For internal use: Forward the current message to the out map.
     unsafe fn forward_msg(&mut self, msg: *mut LlmpMsg) -> Result<(), Error> {
-        let mut out: *mut LlmpMsg = self.alloc_next((*msg).buf_len_padded as usize)?;
+        let out: *mut LlmpMsg = self.alloc_next((*msg).buf_len_padded as usize)?;
 
         /* Copy over the whole message.
         If we should need zero copy, we could instead post a link to the
diff --git a/libafl/src/executors/inprocess.rs b/libafl/src/executors/inprocess.rs
index ef76033d12..88d8f344ee 100644
--- a/libafl/src/executors/inprocess.rs
+++ b/libafl/src/executors/inprocess.rs
@@ -908,7 +908,7 @@ pub mod windows_asan_handler {
         E::State: HasSolutions + HasClientPerfMonitor + HasCorpus,
         Z: HasObjective<Objective = OF, State = E::State>,
     {
-        let mut data = &mut GLOBAL_STATE;
+        let data = &mut GLOBAL_STATE;
         // Have we set a timer_before?
         if !(data.tp_timer as *mut windows::Win32::System::Threading::TP_TIMER).is_null() {
             /*