diff --git a/Cargo.toml b/Cargo.toml
index a333516..5bd81f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,6 @@ categories = ["asynchronous", "concurrency", "development-tools::testing"]
 [dependencies]
 ansi_term = "~0.12.1"
 bitvec = "~0.21.0"
-futures = "~0.3.5"
 generator = "~0.7.0"
 hex = "~0.4.2"
 rand_core = "~0.5.1"
@@ -19,17 +18,17 @@ rand = "~0.7.3"
 rand_pcg = "~0.2.1"
 scoped-tls = "~1.0.0"
 smallvec = "~1.6.1"
-test-env-log = { version = "~0.2.2", default-features = false, features = ["trace"] }
-tracing = "~0.1.21"
+tracing = { version = "~0.1.21", default-features = false, features = ["std"] }
 tracing-subscriber = "~0.2.12"
 varmint = "~0.1.3"
 
 [dev-dependencies]
 criterion = { version = "~0.3.4", features = ["html_reports"] }
+futures = "~0.3.5"
 proptest = "~0.10.1"
-proptest-derive = "~0.2.0"
 regex = "~1.3.9"
 tempfile = "~3.2.0"
+test-env-log = { version = "~0.2.2", default-features = false, features = ["trace"] }
 
 [lib]
 bench = false
diff --git a/src/asynch.rs b/src/asynch.rs
index d607b7a..dc453a1 100644
--- a/src/asynch.rs
+++ b/src/asynch.rs
@@ -8,7 +8,7 @@
 use crate::runtime::execution::ExecutionState;
 use crate::runtime::task::TaskId;
 use crate::runtime::thread;
-use futures::future::Future;
+use std::future::Future;
 use std::pin::Pin;
 use std::result::Result;
 use std::task::{Context, Poll};
diff --git a/src/runtime/execution.rs b/src/runtime/execution.rs
index 7a99895..0a71fe0 100644
--- a/src/runtime/execution.rs
+++ b/src/runtime/execution.rs
@@ -5,11 +5,11 @@ use crate::runtime::task::{Task, TaskId, TaskState, DEFAULT_INLINE_TASKS};
 use crate::runtime::thread::continuation::PooledContinuation;
 use crate::scheduler::{Schedule, Scheduler};
 use crate::{Config, MaxSteps};
-use futures::Future;
 use scoped_tls::scoped_thread_local;
 use smallvec::SmallVec;
 use std::any::Any;
 use std::cell::RefCell;
+use std::future::Future;
 use std::panic;
 use std::rc::Rc;
 use tracing::span::Entered;
diff --git a/src/runtime/task/mod.rs b/src/runtime/task/mod.rs
index ff47479..b18f46f 100644
--- a/src/runtime/task/mod.rs
+++ b/src/runtime/task/mod.rs
@@ -5,13 +5,12 @@ use crate::runtime::thread;
 use crate::runtime::thread::continuation::{ContinuationPool, PooledContinuation};
 use crate::thread::LocalKey;
 use bitvec::prelude::*;
-use bitvec::vec::BitVec;
-use futures::{task::Waker, Future};
 use std::any::Any;
 use std::cell::RefCell;
 use std::fmt::Debug;
+use std::future::Future;
 use std::rc::Rc;
-use std::task::Context;
+use std::task::{Context, Waker};
 
 pub(crate) mod clock;
 pub(crate) mod waker;