diff --git a/src/decoding/extrinsic_decoder.rs b/src/decoding/extrinsic_decoder.rs
index c72f74c..17cc1b2 100644
--- a/src/decoding/extrinsic_decoder.rs
+++ b/src/decoding/extrinsic_decoder.rs
@@ -417,7 +417,7 @@ impl<'info, TypeId> NamedArg<'info, TypeId> {
     }
 }
 
-impl<'info, TypeId> NamedArg<'info, TypeId> {
+impl<TypeId> NamedArg<'_, TypeId> {
     /// Take ownership of this named argument.
     pub fn into_owned(self) -> NamedArg<'static, TypeId> {
         NamedArg {
diff --git a/src/decoding/extrinsic_type_info.rs b/src/decoding/extrinsic_type_info.rs
index f2cd460..99feced 100644
--- a/src/decoding/extrinsic_type_info.rs
+++ b/src/decoding/extrinsic_type_info.rs
@@ -84,9 +84,9 @@ pub enum ExtrinsicInfoError<'a> {
     },
 }
 
-impl<'a> core::error::Error for ExtrinsicInfoError<'a> {}
+impl core::error::Error for ExtrinsicInfoError<'_> {}
 
-impl<'a> core::fmt::Display for ExtrinsicInfoError<'a> {
+impl core::fmt::Display for ExtrinsicInfoError<'_> {
     fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
         match self {
             ExtrinsicInfoError::PalletNotFound { index } => {
@@ -139,7 +139,7 @@ impl<'a> core::fmt::Display for ExtrinsicInfoError<'a> {
     }
 }
 
-impl<'a> ExtrinsicInfoError<'a> {
+impl ExtrinsicInfoError<'_> {
     /// Take ownership of this error.
     pub fn into_owned(self) -> ExtrinsicInfoError<'static> {
         match self {
diff --git a/src/decoding/storage_type_info.rs b/src/decoding/storage_type_info.rs
index 686157c..63ec3f9 100644
--- a/src/decoding/storage_type_info.rs
+++ b/src/decoding/storage_type_info.rs
@@ -60,9 +60,9 @@ pub enum StorageInfoError<'a> {
     },
 }
 
-impl<'a> core::error::Error for StorageInfoError<'a> {}
+impl core::error::Error for StorageInfoError<'_> {}
 
-impl<'a> core::fmt::Display for StorageInfoError<'a> {
+impl core::fmt::Display for StorageInfoError<'_> {
     fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
         match self {
             StorageInfoError::PalletNotFound { name } => {
@@ -100,7 +100,7 @@ impl<'a> core::fmt::Display for StorageInfoError<'a> {
     }
 }
 
-impl<'a> StorageInfoError<'a> {
+impl StorageInfoError<'_> {
     /// Take ownership of this error, turning any lifetimes to `'static`.
     pub fn into_owned(self) -> StorageInfoError<'static> {
         match self {
diff --git a/src/utils/list_storage_entries.rs b/src/utils/list_storage_entries.rs
index 36367f4..ff329a4 100644
--- a/src/utils/list_storage_entries.rs
+++ b/src/utils/list_storage_entries.rs
@@ -81,7 +81,7 @@ pub struct StorageEntry<'a> {
     entry: Cow<'a, str>,
 }
 
-impl<'a> StorageEntry<'a> {
+impl StorageEntry<'_> {
     /// Take ownership of this storage entry, converting lifetimes to `'static`
     pub fn into_owned(self) -> StorageEntry<'static> {
         StorageEntry {