diff --git a/api/units/all-features.txt b/api/units/all-features.txt
index 8eb819b1f..a41b542ad 100644
--- a/api/units/all-features.txt
+++ b/api/units/all-features.txt
@@ -836,7 +836,7 @@ pub fn bitcoin_units::Amount::hash<__H: core::hash::Hasher>(&self, state: &mut _
 pub fn bitcoin_units::Amount::mul(self, rhs: u64) -> Self::Output
 pub fn bitcoin_units::Amount::mul_assign(&mut self, rhs: u64)
 pub fn bitcoin_units::Amount::partial_cmp(&self, other: &bitcoin_units::Amount) -> core::option::Option<core::cmp::Ordering>
-pub fn bitcoin_units::Amount::rem(self, modulus: u64) -> Self
+pub fn bitcoin_units::Amount::rem(self, modulus: u64) -> Self::Output
 pub fn bitcoin_units::Amount::rem_assign(&mut self, modulus: u64)
 pub fn bitcoin_units::Amount::ser_btc<S: serde::ser::Serializer>(self, s: S, _: bitcoin_units::amount::serde::private::Token) -> core::result::Result<<S as serde::ser::Serializer>::Ok, <S as serde::ser::Serializer>::Error>
 pub fn bitcoin_units::Amount::ser_btc_opt<S: serde::ser::Serializer>(self, s: S, _: bitcoin_units::amount::serde::private::Token) -> core::result::Result<<S as serde::ser::Serializer>::Ok, <S as serde::ser::Serializer>::Error>
@@ -892,7 +892,7 @@ pub fn bitcoin_units::SignedAmount::mul_assign(&mut self, rhs: i64)
 pub fn bitcoin_units::SignedAmount::neg(self) -> Self::Output
 pub fn bitcoin_units::SignedAmount::partial_cmp(&self, other: &bitcoin_units::SignedAmount) -> core::option::Option<core::cmp::Ordering>
 pub fn bitcoin_units::SignedAmount::positive_sub(self, rhs: bitcoin_units::SignedAmount) -> core::option::Option<bitcoin_units::SignedAmount>
-pub fn bitcoin_units::SignedAmount::rem(self, modulus: i64) -> Self
+pub fn bitcoin_units::SignedAmount::rem(self, modulus: i64) -> Self::Output
 pub fn bitcoin_units::SignedAmount::rem_assign(&mut self, modulus: i64)
 pub fn bitcoin_units::SignedAmount::ser_btc<S: serde::ser::Serializer>(self, s: S, _: bitcoin_units::amount::serde::private::Token) -> core::result::Result<<S as serde::ser::Serializer>::Ok, <S as serde::ser::Serializer>::Error>
 pub fn bitcoin_units::SignedAmount::ser_btc_opt<S: serde::ser::Serializer>(self, s: S, _: bitcoin_units::amount::serde::private::Token) -> core::result::Result<<S as serde::ser::Serializer>::Ok, <S as serde::ser::Serializer>::Error>
diff --git a/api/units/alloc-only.txt b/api/units/alloc-only.txt
index 37c97385c..d85a2ce56 100644
--- a/api/units/alloc-only.txt
+++ b/api/units/alloc-only.txt
@@ -770,7 +770,7 @@ pub fn bitcoin_units::Amount::hash<__H: core::hash::Hasher>(&self, state: &mut _
 pub fn bitcoin_units::Amount::mul(self, rhs: u64) -> Self::Output
 pub fn bitcoin_units::Amount::mul_assign(&mut self, rhs: u64)
 pub fn bitcoin_units::Amount::partial_cmp(&self, other: &bitcoin_units::Amount) -> core::option::Option<core::cmp::Ordering>
-pub fn bitcoin_units::Amount::rem(self, modulus: u64) -> Self
+pub fn bitcoin_units::Amount::rem(self, modulus: u64) -> Self::Output
 pub fn bitcoin_units::Amount::rem_assign(&mut self, modulus: u64)
 pub fn bitcoin_units::Amount::sub(self, rhs: &bitcoin_units::Amount) -> Self::Output
 pub fn bitcoin_units::Amount::sub(self, rhs: bitcoin_units::Amount) -> Self::Output
@@ -815,7 +815,7 @@ pub fn bitcoin_units::SignedAmount::mul_assign(&mut self, rhs: i64)
 pub fn bitcoin_units::SignedAmount::neg(self) -> Self::Output
 pub fn bitcoin_units::SignedAmount::partial_cmp(&self, other: &bitcoin_units::SignedAmount) -> core::option::Option<core::cmp::Ordering>
 pub fn bitcoin_units::SignedAmount::positive_sub(self, rhs: bitcoin_units::SignedAmount) -> core::option::Option<bitcoin_units::SignedAmount>
-pub fn bitcoin_units::SignedAmount::rem(self, modulus: i64) -> Self
+pub fn bitcoin_units::SignedAmount::rem(self, modulus: i64) -> Self::Output
 pub fn bitcoin_units::SignedAmount::rem_assign(&mut self, modulus: i64)
 pub fn bitcoin_units::SignedAmount::signum(self) -> i64
 pub fn bitcoin_units::SignedAmount::sub(self, rhs: &bitcoin_units::SignedAmount) -> Self::Output
diff --git a/api/units/no-features.txt b/api/units/no-features.txt
index 1464a2aa3..58a8cce34 100644
--- a/api/units/no-features.txt
+++ b/api/units/no-features.txt
@@ -750,7 +750,7 @@ pub fn bitcoin_units::Amount::hash<__H: core::hash::Hasher>(&self, state: &mut _
 pub fn bitcoin_units::Amount::mul(self, rhs: u64) -> Self::Output
 pub fn bitcoin_units::Amount::mul_assign(&mut self, rhs: u64)
 pub fn bitcoin_units::Amount::partial_cmp(&self, other: &bitcoin_units::Amount) -> core::option::Option<core::cmp::Ordering>
-pub fn bitcoin_units::Amount::rem(self, modulus: u64) -> Self
+pub fn bitcoin_units::Amount::rem(self, modulus: u64) -> Self::Output
 pub fn bitcoin_units::Amount::rem_assign(&mut self, modulus: u64)
 pub fn bitcoin_units::Amount::sub(self, rhs: &bitcoin_units::Amount) -> Self::Output
 pub fn bitcoin_units::Amount::sub(self, rhs: bitcoin_units::Amount) -> Self::Output
@@ -789,7 +789,7 @@ pub fn bitcoin_units::SignedAmount::mul_assign(&mut self, rhs: i64)
 pub fn bitcoin_units::SignedAmount::neg(self) -> Self::Output
 pub fn bitcoin_units::SignedAmount::partial_cmp(&self, other: &bitcoin_units::SignedAmount) -> core::option::Option<core::cmp::Ordering>
 pub fn bitcoin_units::SignedAmount::positive_sub(self, rhs: bitcoin_units::SignedAmount) -> core::option::Option<bitcoin_units::SignedAmount>
-pub fn bitcoin_units::SignedAmount::rem(self, modulus: i64) -> Self
+pub fn bitcoin_units::SignedAmount::rem(self, modulus: i64) -> Self::Output
 pub fn bitcoin_units::SignedAmount::rem_assign(&mut self, modulus: i64)
 pub fn bitcoin_units::SignedAmount::signum(self) -> i64
 pub fn bitcoin_units::SignedAmount::sub(self, rhs: &bitcoin_units::SignedAmount) -> Self::Output