diff --git a/src/backend/access/nbtree/nbtutils.c b/src/backend/access/nbtree/nbtutils.c
index ecbbc2466d..8381027f4e 100644
--- a/src/backend/access/nbtree/nbtutils.c
+++ b/src/backend/access/nbtree/nbtutils.c
@@ -392,7 +392,6 @@ _bt_preprocess_array_keys(IndexScanDesc scan)
 		elemtype = cur->sk_subtype;
 		if (elemtype == InvalidOid)
 			elemtype = rel->rd_opcintype[cur->sk_attno - 1];
-		Assert(elemtype == ARR_ELEMTYPE(arrayval));
 
 		/*
 		 * If the comparison operator is not equality, then the array qual