diff --git a/src/test/java/com/google/genai/AsyncModelsTest.java b/src/test/java/com/google/genai/AsyncModelsTest.java
index 1661c22e7d7..d3f039a6731 100644
--- a/src/test/java/com/google/genai/AsyncModelsTest.java
+++ b/src/test/java/com/google/genai/AsyncModelsTest.java
@@ -593,7 +593,7 @@ public void testRagModelGaAsync(boolean vertexAI) throws Exception {
   }
 
   @ParameterizedTest
-  @ValueSource(booleans = {false, true})
+  @ValueSource(booleans = {true}) // Only for Vertex
   public void testGenerateImagesAsync(boolean vertexAI) throws Exception {
     // Arrange
     String suffix = vertexAI ? "vertex" : "mldev";