diff --git a/src/publication.rs b/src/publication.rs
index 25f49fc..3e88ef4 100644
--- a/src/publication.rs
+++ b/src/publication.rs
@@ -44,17 +44,17 @@ impl<const N: usize> ToPayload for &[u8; N] {
 /// # Note
 /// This is "deferred" because the closure will only be called once the publication is actually
 /// sent.
-pub struct DeferredPublication<E, F: FnOnce(&mut [u8]) -> Result<usize, E>> {
+pub struct DeferredPublication<F> {
     func: F,
 }
 
-impl<E, F: FnOnce(&mut [u8]) -> Result<usize, E>> DeferredPublication<E, F> {
+impl<E, F: FnOnce(&mut [u8]) -> Result<usize, E>> DeferredPublication<F> {
     pub fn new<'a>(func: F) -> Publication<'a, Self> {
         Publication::new(Self { func })
     }
 }
 
-impl<E, F: FnOnce(&mut [u8]) -> Result<usize, E>> ToPayload for DeferredPublication<E, F> {
+impl<E, F: FnOnce(&mut [u8]) -> Result<usize, E>> ToPayload for DeferredPublication<F> {
     type Error = E;
     fn serialize(self, buffer: &mut [u8]) -> Result<usize, E> {
         (self.func)(buffer)
diff --git a/src/varint.rs b/src/varint.rs
index 6be3db6..5235937 100644
--- a/src/varint.rs
+++ b/src/varint.rs
@@ -38,7 +38,7 @@ impl VarintWriter for VarintBuffer {
 
 struct VarintVisitor;
 
-struct VarintParser<'de, T: serde::de::SeqAccess<'de>> {
+struct VarintParser<'de, T> {
     seq: T,
     _data: core::marker::PhantomData<&'de ()>,
 }