diff --git a/src/query/v2/plan/pretty_print.hpp b/src/query/v2/plan/pretty_print.hpp
index 44686f8dc..31ff17b18 100644
--- a/src/query/v2/plan/pretty_print.hpp
+++ b/src/query/v2/plan/pretty_print.hpp
@@ -67,7 +67,7 @@ class PlanPrinter : public virtual HierarchicalLogicalOperatorVisitor {
   bool PreVisit(ScanAllByLabelPropertyValue &) override;
   bool PreVisit(ScanAllByLabelPropertyRange &) override;
   bool PreVisit(ScanAllByLabelProperty &) override;
-  bool PreVisit(ScanByPrimaryKey &) override;
+  bool PreVisit(ScanByPrimaryKey & /*unused*/) override;
 
   bool PreVisit(Expand &) override;
   bool PreVisit(ExpandVariable &) override;
@@ -194,7 +194,7 @@ class PlanToJsonVisitor : public virtual HierarchicalLogicalOperatorVisitor {
   bool PreVisit(ScanAllByLabelPropertyRange &) override;
   bool PreVisit(ScanAllByLabelPropertyValue &) override;
   bool PreVisit(ScanAllByLabelProperty &) override;
-  bool PreVisit(ScanByPrimaryKey &) override;
+  bool PreVisit(ScanByPrimaryKey & /*unused*/) override;
 
   bool PreVisit(Produce &) override;
   bool PreVisit(Accumulate &) override;
diff --git a/src/query/v2/plan/read_write_type_checker.hpp b/src/query/v2/plan/read_write_type_checker.hpp
index efab0267a..626cf7af3 100644
--- a/src/query/v2/plan/read_write_type_checker.hpp
+++ b/src/query/v2/plan/read_write_type_checker.hpp
@@ -59,7 +59,7 @@ class ReadWriteTypeChecker : public virtual HierarchicalLogicalOperatorVisitor {
   bool PreVisit(ScanAllByLabelPropertyValue &) override;
   bool PreVisit(ScanAllByLabelPropertyRange &) override;
   bool PreVisit(ScanAllByLabelProperty &) override;
-  bool PreVisit(ScanByPrimaryKey &) override;
+  bool PreVisit(ScanByPrimaryKey & /*unused*/) override;
 
   bool PreVisit(Expand &) override;
   bool PreVisit(ExpandVariable &) override;
diff --git a/src/query/v2/plan/rewrite/index_lookup.hpp b/src/query/v2/plan/rewrite/index_lookup.hpp
index 5b67b464e..17996d952 100644
--- a/src/query/v2/plan/rewrite/index_lookup.hpp
+++ b/src/query/v2/plan/rewrite/index_lookup.hpp
@@ -278,7 +278,7 @@ class IndexLookupRewriter final : public HierarchicalLogicalOperatorVisitor {
     return true;
   }
 
-  bool PostVisit(ScanByPrimaryKey &) override {
+  bool PostVisit(ScanByPrimaryKey & /*unused*/) override {
     prev_ops_.pop_back();
     return true;
   }