diff --git a/data_types/src/field_validation.rs b/data_types/src/field_validation.rs
index 4ebffb0d52..29f5be1d6c 100644
--- a/data_types/src/field_validation.rs
+++ b/data_types/src/field_validation.rs
@@ -72,7 +72,7 @@ pub(crate) trait FromFieldString {
 }
 
 impl FromFieldString for String {
-    fn required(self, field: impl Into<String>) -> Result<String, FieldViolation> {
+    fn required(self, field: impl Into<Self>) -> Result<String, FieldViolation> {
         if self.is_empty() {
             return Err(FieldViolation::required(field));
         }
diff --git a/query/src/func/selectors/internal.rs b/query/src/func/selectors/internal.rs
index 006e99c03b..2b839eb497 100644
--- a/query/src/func/selectors/internal.rs
+++ b/query/src/func/selectors/internal.rs
@@ -35,19 +35,19 @@ trait LtVal<T> {
     fn lt_val(&self, v: &T) -> bool;
 }
 
-impl LtVal<f64> for f64 {
+impl LtVal<Self> for f64 {
     fn lt_val(&self, v: &Self) -> bool {
         self < v
     }
 }
 
-impl LtVal<i64> for i64 {
+impl LtVal<Self> for i64 {
     fn lt_val(&self, v: &Self) -> bool {
         self < v
     }
 }
 
-impl LtVal<bool> for bool {
+impl LtVal<Self> for bool {
     fn lt_val(&self, v: &Self) -> bool {
         self < v
     }
@@ -71,19 +71,19 @@ trait ToState<T> {
     fn to_state(&self) -> T;
 }
 
-impl ToState<f64> for f64 {
+impl ToState<Self> for f64 {
     fn to_state(&self) -> Self {
         *self
     }
 }
 
-impl ToState<i64> for i64 {
+impl ToState<Self> for i64 {
     fn to_state(&self) -> Self {
         *self
     }
 }
 
-impl ToState<bool> for bool {
+impl ToState<Self> for bool {
     fn to_state(&self) -> Self {
         *self
     }
diff --git a/read_buffer/src/value.rs b/read_buffer/src/value.rs
index 1e84f706e6..a7aece5420 100644
--- a/read_buffer/src/value.rs
+++ b/read_buffer/src/value.rs
@@ -1010,7 +1010,7 @@ impl Scalar {
     }
 }
 
-impl std::ops::AddAssign<&Scalar> for Scalar {
+impl std::ops::AddAssign<&Self> for Scalar {
     fn add_assign(&mut self, rhs: &Self) {
         if rhs.is_null() {
             // Adding NULL does nothing.