diff --git a/afl/llmp_test/src/main.rs b/afl/llmp_test/src/main.rs
index 80f777f65c..9a72ccd955 100644
--- a/afl/llmp_test/src/main.rs
+++ b/afl/llmp_test/src/main.rs
@@ -1,3 +1,6 @@
+#[macro_use]
+extern crate alloc;
+
 use core::convert::TryInto;
 use core::ffi::c_void;
 use core::mem::size_of;
@@ -16,7 +19,7 @@ unsafe fn llmp_test_clientloop(client: *mut llmp_client, _data: *mut c_void) ->
         counter += 1;
 
         let llmp_message = llmp_client_alloc_next(client, size_of::<u32>());
-        std::ptr::copy(
+        core::ptr::copy(
             counter.to_be_bytes().as_ptr(),
             (*llmp_message).buf.as_mut_ptr(),
             size_of::<u32>(),
@@ -30,7 +33,7 @@ unsafe fn llmp_test_clientloop(client: *mut llmp_client, _data: *mut c_void) ->
 
 unsafe fn u32_from_msg(message: *const llmp_message) -> u32 {
     u32::from_be_bytes(
-        std::slice::from_raw_parts((*message).buf.as_ptr(), size_of::<u32>())
+        alloc::slice::from_raw_parts((*message).buf.as_ptr(), size_of::<u32>())
             .try_into()
             .unwrap(),
     )
@@ -62,7 +65,7 @@ unsafe fn test_adder_clientloop(client: *mut llmp_client, _data: *mut c_void) ->
             );
 
             let llmp_message = llmp_client_alloc_next(client, size_of::<u32>());
-            std::ptr::copy(
+            core::ptr::copy(
                 current_result.to_be_bytes().as_ptr(),
                 (*llmp_message).buf.as_mut_ptr(),
                 size_of::<u32>(),
diff --git a/afl/src/events/mod.rs b/afl/src/events/mod.rs
index 7c567068a0..f396ab522d 100644
--- a/afl/src/events/mod.rs
+++ b/afl/src/events/mod.rs
@@ -1,5 +1,10 @@
 #[cfg(feature = "std")]
 pub mod llmp;
+
+use alloc::borrow::ToOwned;
+use alloc::string::String;
+use core::marker::PhantomData;
+
 #[cfg(feature = "std")]
 pub mod llmp_translated; // TODO: Abstract away.
 #[cfg(feature = "std")]
@@ -9,7 +14,7 @@ pub mod shmem_translated;
 pub use crate::events::llmp::LLMP;
 
 #[cfg(feature = "std")]
-use std::{io::Write, marker::PhantomData};
+use std::io::Write;
 
 use crate::corpus::{Corpus, Testcase};
 use crate::engines::State;
@@ -190,6 +195,7 @@ where
                 _marker,
             } => {
                 //TODO: broker.log()
+                #[cfg(feature = "std")]
                 println!("{}[{}]: {}", sender_id, severity_level, message);
                 Ok(BrokerEventResult::Handled)
             }
diff --git a/fuzzers/libfuzzer/src/lib.rs b/fuzzers/libfuzzer/src/lib.rs
index f256505313..50111bfe95 100644
--- a/fuzzers/libfuzzer/src/lib.rs
+++ b/fuzzers/libfuzzer/src/lib.rs
@@ -1,7 +1,14 @@
-use std::boxed::Box;
-use std::cell::RefCell;
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[macro_use]
+extern crate alloc;
+
+use alloc::boxed::Box;
+use alloc::rc::Rc;
+use core::cell::RefCell;
+
+#[cfg(feature = "std")]
 use std::io::stderr;
-use std::rc::Rc;
 
 use afl::corpus::InMemoryCorpus;
 use afl::engines::{generate_initial_inputs, Engine, State, StdEngine, StdState};
@@ -40,6 +47,9 @@ pub extern "C" fn afl_libfuzzer_main() {
 
     let mut corpus = InMemoryCorpus::new();
     let mut generator = RandPrintablesGenerator::new(32);
+
+    // TODO: No_std event manager
+    #[cfg(feature = "std")]
     let mut events = LoggerEventManager::new(stderr());
 
     let edges_observer = Rc::new(RefCell::new(StdMapObserver::new_from_ptr(