diff --git a/infer/src/base/IssueType.ml b/infer/src/base/IssueType.ml
index f67b92345..a34dfb3da 100644
--- a/infer/src/base/IssueType.ml
+++ b/infer/src/base/IssueType.ml
@@ -639,7 +639,7 @@ let impure_function =
 
 
 let inefficient_keyset_iterator =
-  register ~id:"INEFFICIENT_KEYSET_ITERATOR" Error InefficientKeysetIterator
+  register ~id:"INEFFICIENT_KEYSET_ITERATOR" Warning InefficientKeysetIterator
     ~user_documentation:[%blob "../../documentation/issues/INEFFICIENT_KEYSET_ITERATOR.md"]
 
 
diff --git a/infer/tests/codetoanalyze/java/inefficientKeysetIterator/issues.exp b/infer/tests/codetoanalyze/java/inefficientKeysetIterator/issues.exp
index a6d371010..f56eaae22 100644
--- a/infer/tests/codetoanalyze/java/inefficientKeysetIterator/issues.exp
+++ b/infer/tests/codetoanalyze/java/inefficientKeysetIterator/issues.exp
@@ -1,5 +1,5 @@
-codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_arraymap_loop_bad(androidx.collection.ArrayMap):void, 2, INEFFICIENT_KEYSET_ITERATOR, no_bucket, ERROR, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
-codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_bad(java.util.HashMap):void, 2, INEFFICIENT_KEYSET_ITERATOR, no_bucket, ERROR, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
-codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_itr_bad(java.util.HashMap):void, 5, INEFFICIENT_KEYSET_ITERATOR, no_bucket, ERROR, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
-codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_itr_heur_bad(java.util.HashMap):void, 6, INEFFICIENT_KEYSET_ITERATOR, no_bucket, ERROR, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
-codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_itr_heur_btw_bad(java.util.HashMap):void, 9, INEFFICIENT_KEYSET_ITERATOR, no_bucket, ERROR, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
+codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_arraymap_loop_bad(androidx.collection.ArrayMap):void, 2, INEFFICIENT_KEYSET_ITERATOR, no_bucket, WARNING, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
+codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_bad(java.util.HashMap):void, 2, INEFFICIENT_KEYSET_ITERATOR, no_bucket, WARNING, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
+codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_itr_bad(java.util.HashMap):void, 5, INEFFICIENT_KEYSET_ITERATOR, no_bucket, WARNING, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
+codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_itr_heur_bad(java.util.HashMap):void, 6, INEFFICIENT_KEYSET_ITERATOR, no_bucket, WARNING, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]
+codetoanalyze/java/inefficientKeysetIterator/Test.java, Test.inefficient_loop_itr_heur_btw_bad(java.util.HashMap):void, 9, INEFFICIENT_KEYSET_ITERATOR, no_bucket, WARNING, [Accessing a value using a key that was retrieved from a `keySet` iterator. It is more efficient to use an iterator on the `entrySet` of the map, avoiding the extra `HashMap.get(key)` lookup.]