diff --git a/src/flow/binary/avl.rs b/src/flow/binary/avl.rs
index 5755f2d..148da18 100644
--- a/src/flow/binary/avl.rs
+++ b/src/flow/binary/avl.rs
@@ -80,20 +80,20 @@ pub trait BinaryTreesAvl<'a>:
         let (hl, hr) = (self.height(&tl), self.height(&tr));
         match (hl.saturating_sub(hr), hr.saturating_sub(hl)) {
             (0, 0) | (0, 1) | (1, 0) => self.try_join(tl, key, tr),
-            (0, _) => self.assume_bind(&tr, move |ctx, trl, kr, trr| {
+            (0, _) => self.assume_bind(&tr, |ctx, trl, kr, trr| {
                 let (rlh, rrh) = (ctx.height(&trl), ctx.height(&trr));
                 if rlh > rrh {
-                    ctx.assume_bind(&trl, move |ctx, trll, krl, trlr| {
+                    ctx.assume_bind(&trl, |ctx, trll, krl, trlr| {
                         ctx.make_node((T(tl), key, T(trll)), krl, (T(trlr), kr, T(trr)))
                     })
                 } else {
                     ctx.make_node((T(tl), key, T(trl)), kr, T(trr))
                 }
             }),
-            (_, 0) => self.assume_bind(&tl, move |ctx, tll, kl, tlr| {
+            (_, 0) => self.assume_bind(&tl, |ctx, tll, kl, tlr| {
                 let (hll, hlr) = (ctx.height(&tll), ctx.height(&tlr));
                 if hll < hlr {
-                    ctx.assume_bind(&tlr, move |ctx, tlrl, klr, tlrr| {
+                    ctx.assume_bind(&tlr, |ctx, tlrl, klr, tlrr| {
                         ctx.make_node((T(tll), kl, T(tlrl)), klr, (T(tlrr), key, T(tr)))
                     })
                 } else {