diff --git a/datafusion/core/tests/user_defined/user_defined_plan.rs b/datafusion/core/tests/user_defined/user_defined_plan.rs
index 4d3916c1760ea..f0bf15d3483ba 100644
--- a/datafusion/core/tests/user_defined/user_defined_plan.rs
+++ b/datafusion/core/tests/user_defined/user_defined_plan.rs
@@ -580,7 +580,7 @@ impl UserDefinedLogicalNodeCore for TopKPlanNode {
         self.input.schema()
     }
 
-    fn check_invariants(&self, check: InvariantLevel, _plan: &LogicalPlan) -> Result<()> {
+    fn check_invariants(&self, check: InvariantLevel) -> Result<()> {
         if let Some(InvariantMock {
             should_fail_invariant,
             kind,
diff --git a/datafusion/expr/src/logical_plan/extension.rs b/datafusion/expr/src/logical_plan/extension.rs
index 5bf64a36a6540..e10b74098b684 100644
--- a/datafusion/expr/src/logical_plan/extension.rs
+++ b/datafusion/expr/src/logical_plan/extension.rs
@@ -57,7 +57,7 @@ pub trait UserDefinedLogicalNode: fmt::Debug + Send + Sync {
     fn schema(&self) -> &DFSchemaRef;
 
     /// Perform check of invariants for the extension node.
-    fn check_invariants(&self, check: InvariantLevel, plan: &LogicalPlan) -> Result<()>;
+    fn check_invariants(&self, check: InvariantLevel) -> Result<()>;
 
     /// Returns all expressions in the current logical plan node. This should
     /// not include expressions of any inputs (aka non-recursively).
@@ -241,11 +241,7 @@ pub trait UserDefinedLogicalNodeCore:
     /// Perform check of invariants for the extension node.
     ///
     /// This is the default implementation for extension nodes.
-    fn check_invariants(
-        &self,
-        _check: InvariantLevel,
-        _plan: &LogicalPlan,
-    ) -> Result<()> {
+    fn check_invariants(&self, _check: InvariantLevel) -> Result<()> {
         Ok(())
     }
 
@@ -334,8 +330,8 @@ impl<T: UserDefinedLogicalNodeCore> UserDefinedLogicalNode for T {
         self.schema()
     }
 
-    fn check_invariants(&self, check: InvariantLevel, plan: &LogicalPlan) -> Result<()> {
-        self.check_invariants(check, plan)
+    fn check_invariants(&self, check: InvariantLevel) -> Result<()> {
+        self.check_invariants(check)
     }
 
     fn expressions(&self) -> Vec<Expr> {
diff --git a/datafusion/expr/src/logical_plan/invariants.rs b/datafusion/expr/src/logical_plan/invariants.rs
index d8d6739b0e8f0..2d8ed07171026 100644
--- a/datafusion/expr/src/logical_plan/invariants.rs
+++ b/datafusion/expr/src/logical_plan/invariants.rs
@@ -74,7 +74,7 @@ pub fn assert_executable_invariants(plan: &LogicalPlan) -> Result<()> {
 fn assert_valid_extension_nodes(plan: &LogicalPlan, check: InvariantLevel) -> Result<()> {
     plan.apply_with_subqueries(|plan: &LogicalPlan| {
         if let LogicalPlan::Extension(Extension { node }) = plan {
-            node.check_invariants(check, plan)?;
+            node.check_invariants(check)?;
         }
         plan.apply_expressions(|expr| {
             // recursively look for subqueries
diff --git a/datafusion/substrait/tests/cases/roundtrip_logical_plan.rs b/datafusion/substrait/tests/cases/roundtrip_logical_plan.rs
index 5ec6663347e2a..6e4e6ea59d074 100644
--- a/datafusion/substrait/tests/cases/roundtrip_logical_plan.rs
+++ b/datafusion/substrait/tests/cases/roundtrip_logical_plan.rs
@@ -112,11 +112,7 @@ impl UserDefinedLogicalNode for MockUserDefinedLogicalPlan {
         &self.empty_schema
     }
 
-    fn check_invariants(
-        &self,
-        _check: InvariantLevel,
-        _plan: &LogicalPlan,
-    ) -> Result<()> {
+    fn check_invariants(&self, _check: InvariantLevel) -> Result<()> {
         Ok(())
     }