diff --git a/crates/json-pawarser/src/syntax_error.rs b/crates/json-pawarser/src/syntax_error.rs
index 6ff9067..84377d7 100644
--- a/crates/json-pawarser/src/syntax_error.rs
+++ b/crates/json-pawarser/src/syntax_error.rs
@@ -1,6 +1,6 @@
 use crate::syntax_kind::SyntaxKind;
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub enum SyntaxError {
     DisallowedKeyType(SyntaxKind),
     MemberMissingValue,
diff --git a/crates/pawarser/src/parser.rs b/crates/pawarser/src/parser.rs
index 91d44b8..bc4724f 100644
--- a/crates/pawarser/src/parser.rs
+++ b/crates/pawarser/src/parser.rs
@@ -13,7 +13,7 @@ pub mod marker;
 /// this is used to define some required SyntaxKinds like an EOF token or an error token
 pub trait SyntaxElement
 where
-    Self: EnumSetType + Into<rowan::SyntaxKind> + Clone,
+    Self: EnumSetType + Into<rowan::SyntaxKind> + Clone + PartialEq + Eq,
 {
     /// EOF value. This will be used by the rest of the parser library to represent an EOF.
     const EOF: Self;
diff --git a/crates/pawarser/src/parser/error.rs b/crates/pawarser/src/parser/error.rs
index ba52ff0..07c033d 100644
--- a/crates/pawarser/src/parser/error.rs
+++ b/crates/pawarser/src/parser/error.rs
@@ -2,6 +2,6 @@
 // TODO: constrain that conversion to `NodeKind::Error` is enforced to be possible
 pub trait SyntaxError
 where
-    Self: Clone,
+    Self: Clone + PartialEq + Eq,
 {
 }
diff --git a/crates/pawarser/src/parser/event.rs b/crates/pawarser/src/parser/event.rs
index 3cd0ef5..1b71d8e 100644
--- a/crates/pawarser/src/parser/event.rs
+++ b/crates/pawarser/src/parser/event.rs
@@ -22,7 +22,7 @@ impl<SyntaxKind: SyntaxElement, SyntaxErr: SyntaxError> Event<SyntaxKind, Syntax
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub enum NodeKind<SyntaxKind: SyntaxElement, SyntaxErr: SyntaxError> {
     Tombstone,
     Syntax(SyntaxKind),