diff --git a/lib/src/sql/group.rs b/lib/src/sql/group.rs
index 79210ca7..464fc634 100644
--- a/lib/src/sql/group.rs
+++ b/lib/src/sql/group.rs
@@ -13,15 +13,6 @@ use std::ops::Deref;
 #[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
 pub struct Groups(pub Vec<Group>);
 
-impl Groups {
-	pub fn len(&self) -> usize {
-		self.0.len()
-	}
-	pub fn is_empty(&self) -> bool {
-		self.0.is_empty()
-	}
-}
-
 impl Deref for Groups {
 	type Target = Vec<Group>;
 	fn deref(&self) -> &Self::Target {
diff --git a/lib/src/sql/idiom.rs b/lib/src/sql/idiom.rs
index 466c603e..39bd3510 100644
--- a/lib/src/sql/idiom.rs
+++ b/lib/src/sql/idiom.rs
@@ -17,15 +17,6 @@ use std::str;
 #[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
 pub struct Idioms(pub Vec<Idiom>);
 
-impl Idioms {
-	pub fn len(&self) -> usize {
-		self.0.len()
-	}
-	pub fn is_empty(&self) -> bool {
-		self.0.is_empty()
-	}
-}
-
 impl Deref for Idioms {
 	type Target = Vec<Idiom>;
 	fn deref(&self) -> &Self::Target {
diff --git a/lib/src/sql/order.rs b/lib/src/sql/order.rs
index daed8ffb..9306d10b 100644
--- a/lib/src/sql/order.rs
+++ b/lib/src/sql/order.rs
@@ -14,15 +14,6 @@ use std::ops::Deref;
 #[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
 pub struct Orders(pub Vec<Order>);
 
-impl Orders {
-	pub fn len(&self) -> usize {
-		self.0.len()
-	}
-	pub fn is_empty(&self) -> bool {
-		self.0.is_empty()
-	}
-}
-
 impl Deref for Orders {
 	type Target = Vec<Order>;
 	fn deref(&self) -> &Self::Target {
diff --git a/lib/src/sql/split.rs b/lib/src/sql/split.rs
index 5dbf185a..28514483 100644
--- a/lib/src/sql/split.rs
+++ b/lib/src/sql/split.rs
@@ -13,15 +13,6 @@ use std::ops::Deref;
 #[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
 pub struct Splits(pub Vec<Split>);
 
-impl Splits {
-	pub fn len(&self) -> usize {
-		self.0.len()
-	}
-	pub fn is_empty(&self) -> bool {
-		self.0.is_empty()
-	}
-}
-
 impl Deref for Splits {
 	type Target = Vec<Split>;
 	fn deref(&self) -> &Self::Target {
diff --git a/lib/src/sql/value/value.rs b/lib/src/sql/value/value.rs
index aad643ec..264d835a 100644
--- a/lib/src/sql/value/value.rs
+++ b/lib/src/sql/value/value.rs
@@ -52,15 +52,6 @@ static MATCHER: Lazy<SkimMatcherV2> = Lazy::new(|| SkimMatcherV2::default().igno
 #[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
 pub struct Values(pub Vec<Value>);
 
-impl Values {
-	pub fn len(&self) -> usize {
-		self.0.len()
-	}
-	pub fn is_empty(&self) -> bool {
-		self.0.is_empty()
-	}
-}
-
 impl Deref for Values {
 	type Target = Vec<Value>;
 	fn deref(&self) -> &Self::Target {