diff --git a/src/lib.rs b/src/lib.rs
index 5576d70..be40feb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -283,30 +283,6 @@ impl Builder {
     }
 }
 
-impl<P> Index<PointId> for Hnsw<P> {
-    type Output = P;
-
-    fn index(&self, index: PointId) -> &Self::Output {
-        &self.points[index.0 as usize]
-    }
-}
-
-impl<P: Point> Index<PointId> for Vec<P> {
-    type Output = P;
-
-    fn index(&self, index: PointId) -> &Self::Output {
-        &self[index.0 as usize]
-    }
-}
-
-impl<P: Point> Index<PointId> for [P] {
-    type Output = P;
-
-    fn index(&self, index: PointId) -> &Self::Output {
-        &self[index.0 as usize]
-    }
-}
-
 impl Layer for Vec<ZeroNode> {
     const LINKS: usize = M * 2;
 
@@ -590,6 +566,30 @@ impl Default for PointId {
     }
 }
 
+impl<P> Index<PointId> for Hnsw<P> {
+    type Output = P;
+
+    fn index(&self, index: PointId) -> &Self::Output {
+        &self.points[index.0 as usize]
+    }
+}
+
+impl<P: Point> Index<PointId> for Vec<P> {
+    type Output = P;
+
+    fn index(&self, index: PointId) -> &Self::Output {
+        &self[index.0 as usize]
+    }
+}
+
+impl<P: Point> Index<PointId> for [P] {
+    type Output = P;
+
+    fn index(&self, index: PointId) -> &Self::Output {
+        &self[index.0 as usize]
+    }
+}
+
 /// The parameter `M` from the paper
 ///
 /// This should become a generic argument to `Hnsw` when possible.