diff --git a/src/hnsw.h b/src/hnsw.h
index c02c3ef..1f5b5c9 100644
--- a/src/hnsw.h
+++ b/src/hnsw.h
@@ -414,6 +414,7 @@ typedef struct HnswSearchState
 	Relation	index;
 	HnswSupport *support;
 	int			m;
+	bool		inserting;
 }			HnswSearchState;
 
 typedef struct HnswScanOpaqueData
@@ -471,7 +472,7 @@ bool		HnswCheckNorm(HnswSupport * support, Datum value);
 Buffer		HnswNewBuffer(Relation index, ForkNumber forkNum);
 void		HnswInitPage(Buffer buf, Page page);
 void		HnswInit(void);
-List	   *HnswSearchLayer(HnswSearchState * searchState, List *ep, int ef, int lc, bool inserting, HnswElement skipElement, visited_hash * v, pairingheap **discarded, bool initVisited, int64 *tuples);
+List	   *HnswSearchLayer(HnswSearchState * searchState, List *ep, int ef, int lc, HnswElement skipElement, visited_hash * v, pairingheap **discarded, bool initVisited, int64 *tuples);
 HnswElement HnswGetEntryPoint(Relation index);
 void		HnswGetMetaPageInfo(Relation index, int *m, int *dimensions, HnswElement * entryPoint);
 void	   *HnswAlloc(HnswAllocator * allocator, Size size);
diff --git a/src/hnswscan.c b/src/hnswscan.c
index ee7ef05..859a640 100644
--- a/src/hnswscan.c
+++ b/src/hnswscan.c
@@ -48,6 +48,7 @@ GetScanItems(IndexScanDesc scan, Datum value)
 	searchState->index = index;
 	searchState->support = support;
 	searchState->m = m;
+	searchState->inserting = false;
 
 	if (entryPoint == NULL)
 		return NIL;
@@ -56,11 +57,11 @@ GetScanItems(IndexScanDesc scan, Datum value)
 
 	for (int lc = entryPoint->level; lc >= 1; lc--)
 	{
-		w = HnswSearchLayer(searchState, ep, 1, lc, false, NULL, NULL, NULL, true, NULL);
+		w = HnswSearchLayer(searchState, ep, 1, lc, NULL, NULL, NULL, true, NULL);
 		ep = w;
 	}
 
-	return HnswSearchLayer(searchState, ep, hnsw_ef_search, 0, false, NULL, &so->v, hnsw_iterative_scan != HNSW_ITERATIVE_SCAN_OFF ? &so->discarded : NULL, true, &so->tuples);
+	return HnswSearchLayer(searchState, ep, hnsw_ef_search, 0, NULL, &so->v, hnsw_iterative_scan != HNSW_ITERATIVE_SCAN_OFF ? &so->discarded : NULL, true, &so->tuples);
 }
 
 /*
@@ -89,7 +90,7 @@ ResumeScanItems(IndexScanDesc scan)
 		ep = lappend(ep, sc);
 	}
 
-	return HnswSearchLayer(&so->searchState, ep, batch_size, 0, false, NULL, &so->v, &so->discarded, false, &so->tuples);
+	return HnswSearchLayer(&so->searchState, ep, batch_size, 0, NULL, &so->v, &so->discarded, false, &so->tuples);
 }
 
 /*
diff --git a/src/hnswutils.c b/src/hnswutils.c
index 3c4fbcc..fcdc886 100644
--- a/src/hnswutils.c
+++ b/src/hnswutils.c
@@ -827,11 +827,12 @@ HnswLoadUnvisitedFromDisk(HnswElement element, HnswUnvisited * unvisited, int *u
  * Algorithm 2 from paper
  */
 List *
-HnswSearchLayer(HnswSearchState * searchState, List *ep, int ef, int lc, bool inserting, HnswElement skipElement, visited_hash * v, pairingheap **discarded, bool initVisited, int64 *tuples)
+HnswSearchLayer(HnswSearchState * searchState, List *ep, int ef, int lc, HnswElement skipElement, visited_hash * v, pairingheap **discarded, bool initVisited, int64 *tuples)
 {
 	char	   *base = searchState->base;
 	Relation	index = searchState->index;
 	int			m = searchState->m;
+	bool		inserting = searchState->inserting;
 	List	   *w = NIL;
 	pairingheap *C = pairingheap_allocate(CompareNearestCandidates, NULL);
 	pairingheap *W = pairingheap_allocate(CompareFurthestCandidates, NULL);
@@ -1301,6 +1302,7 @@ HnswFindElementNeighbors(char *base, HnswElement element, HnswElement entryPoint
 	searchState.index = index;
 	searchState.support = support;
 	searchState.m = m;
+	searchState.inserting = true;
 
 	/* Precompute hash */
 	if (inMemory)
@@ -1317,7 +1319,7 @@ HnswFindElementNeighbors(char *base, HnswElement element, HnswElement entryPoint
 	/* 1st phase: greedy search to insert level */
 	for (int lc = entryLevel; lc >= level + 1; lc--)
 	{
-		w = HnswSearchLayer(&searchState, ep, 1, lc, true, skipElement, NULL, NULL, true, NULL);
+		w = HnswSearchLayer(&searchState, ep, 1, lc, skipElement, NULL, NULL, true, NULL);
 		ep = w;
 	}
 
@@ -1336,7 +1338,7 @@ HnswFindElementNeighbors(char *base, HnswElement element, HnswElement entryPoint
 		List	   *lw = NIL;
 		ListCell   *lc2;
 
-		w = HnswSearchLayer(&searchState, ep, efConstruction, lc, true, skipElement, NULL, NULL, true, NULL);
+		w = HnswSearchLayer(&searchState, ep, efConstruction, lc, skipElement, NULL, NULL, true, NULL);
 
 		/* Convert search candidates to candidates */
 		foreach(lc2, w)