diff --git a/muted-tests.yml b/muted-tests.yml
index ddd226e354fe3..04ab589393e4f 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -615,12 +615,6 @@ tests:
 - class: org.elasticsearch.test.rest.yaml.RcsCcsCommonYamlTestSuiteIT
   method: test {p0=search.vectors/100_knn_nested_search/nested kNN search inner_hits & profiling}
   issue: https://github.com/elastic/elasticsearch/issues/133273
-- class: org.elasticsearch.xpack.inference.mapper.SemanticTextFieldMapperTests
-  method: testDefaultIndexOptions {p0=true}
-  issue: https://github.com/elastic/elasticsearch/issues/133326
-- class: org.elasticsearch.xpack.inference.mapper.SemanticTextFieldMapperTests
-  method: testDefaultIndexOptions {p0=false}
-  issue: https://github.com/elastic/elasticsearch/issues/133327
 - class: org.elasticsearch.xpack.security.authc.AuthenticationServiceTests
   method: testInvalidToken
   issue: https://github.com/elastic/elasticsearch/issues/133328
diff --git a/x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapperTests.java b/x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapperTests.java
index 7ee178cbe2af6..c43240165920e 100644
--- a/x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapperTests.java
+++ b/x-pack/plugin/inference/src/test/java/org/elasticsearch/xpack/inference/mapper/SemanticTextFieldMapperTests.java
@@ -1437,7 +1437,11 @@ public void testDefaultIndexOptions() throws IOException {
             b.field("similarity", "cosine");
             b.field("element_type", "float");
             b.endObject();
-        }), useLegacyFormat, IndexVersions.SEMANTIC_TEXT_DEFAULTS_TO_BBQ_BACKPORT_8_X, IndexVersions.UPGRADE_TO_LUCENE_10_0_0);
+        }),
+            useLegacyFormat,
+            IndexVersions.SEMANTIC_TEXT_DEFAULTS_TO_BBQ_BACKPORT_8_X,
+            IndexVersionUtils.getPreviousVersion(IndexVersions.UPGRADE_TO_LUCENE_10_0_0)
+        );
         assertSemanticTextField(mapperService, "field", true, null, defaultBbqHnswSemanticTextIndexOptions());
 
         // Previous 8.x index versions do not set BBQ index options