From 6863ba6503e808ed3fa8c6357d4421ce48d7da96 Mon Sep 17 00:00:00 2001
From: Sanhaoji2 <jegao@microsoft.com>
Date: Tue, 30 Apr 2024 19:07:26 +0800
Subject: [PATCH] clean up code

---
 include/abstract_graph_store.h | 1 -
 include/abstract_index.h       | 2 +-
 include/index.h                | 1 -
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/abstract_graph_store.h b/include/abstract_graph_store.h
index 7c22c639e..4d6906ca4 100644
--- a/include/abstract_graph_store.h
+++ b/include/abstract_graph_store.h
@@ -5,7 +5,6 @@
 
 #include <string>
 #include <vector>
-
 #include "types.h"
 
 namespace diskann
diff --git a/include/abstract_index.h b/include/abstract_index.h
index 520cb3bbe..7c84a8ec9 100644
--- a/include/abstract_index.h
+++ b/include/abstract_index.h
@@ -106,7 +106,7 @@ class AbstractIndex
 
     template <typename label_type> void set_universal_label(const label_type universal_label);
 
-    virtual bool is_label_valid(const std::string& raw_label) const = 0;
+    virtual bool is_label_valid(const std::string &raw_label) const = 0;
     virtual bool is_set_universal_label() const = 0;
 
   private:
diff --git a/include/index.h b/include/index.h
index 7961f24cb..320942013 100644
--- a/include/index.h
+++ b/include/index.h
@@ -466,7 +466,6 @@ template <typename T, typename TagT = uint32_t, typename LabelT = uint32_t> clas
 
     char *_opt_graph = nullptr;
 
-    T *_data = nullptr; // coordinates of all base points
     // Dimensions
     size_t _dim = 0;
     size_t _nd = 0;         // number of active points i.e. existing in the graph