diff --git a/tests/system/aiplatform/test_dataset.py b/tests/system/aiplatform/test_dataset.py
index b902d54766..ba5ff69183 100644
--- a/tests/system/aiplatform/test_dataset.py
+++ b/tests/system/aiplatform/test_dataset.py
@@ -196,6 +196,9 @@ def test_get_nonexistent_dataset(self):
         with pytest.raises(exceptions.NotFound):
             aiplatform.ImageDataset(dataset_name="0")
 
+    @pytest.mark.skip(
+        reason="Creating a Text Dataset/training AutoML TEXT models is no longer supported"
+    )
     def test_get_new_dataset_and_import(self, dataset_gapic_client):
         """Retrieve new, empty dataset and import a text dataset using import().
         Then verify data items were successfully imported."""
diff --git a/tests/system/aiplatform/test_telemetry.py b/tests/system/aiplatform/test_telemetry.py
index b992c025a7..4bb6a05193 100644
--- a/tests/system/aiplatform/test_telemetry.py
+++ b/tests/system/aiplatform/test_telemetry.py
@@ -23,7 +23,7 @@
 
 from vertexai.generative_models import GenerativeModel
 
-GEMINI_MODEL_NAME = "gemini-1.5-pro-002"
+GEMINI_MODEL_NAME = "gemini-2.5-flash"
 
 
 class TestTelemetry(e2e_base.TestEndToEnd):
diff --git a/tests/system/vertexai/test_prompts.py b/tests/system/vertexai/test_prompts.py
index fa9ad6a8b6..60c1da0047 100644
--- a/tests/system/vertexai/test_prompts.py
+++ b/tests/system/vertexai/test_prompts.py
@@ -30,6 +30,8 @@
 from tests.system.aiplatform import e2e_base
 from google import auth
 
+MODEL_NAME = "gemini-2.5-flash"
+
 _REQUEST_FUNCTION_PARAMETER_SCHEMA_STRUCT = {
     "type": "object",
     "properties": {
@@ -74,7 +76,7 @@ def test_create_prompt_with_variables(self):
                 {"name": "Bob", "day": "Tuesday"},
             ],
             generation_config=GenerationConfig(temperature=0.1),
-            model_name="gemini-1.5-pro-002",
+            model_name=MODEL_NAME,
             safety_settings=[
                 SafetySetting(
                     category=SafetySetting.HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT,
@@ -140,11 +142,11 @@ def test_create_prompt_with_function_calling(self):
             prompt_data="What is the weather like in Boston?",
             tools=[weather_tool],
             tool_config=tool_config,
-            model_name="gemini-1.5-pro-002",
+            model_name=MODEL_NAME,
         )
 
         # (Optional) Create a separate prompt resource to save the version to
-        prompt_temp = Prompt(model_name="gemini-1.5-pro-002")
+        prompt_temp = Prompt(model_name=MODEL_NAME)
         prompt_temp1 = prompts.create_version(prompt=prompt_temp, version_name="empty")
 
         # Create a new version to an existing prompt
@@ -190,6 +192,6 @@ def test_get_prompt_with_function_calling(self):
 
         # Generate content using the prompt
         response = prompt.generate_content(
-            model_name="gemini-1.5-pro-002", contents=prompt.assemble_contents()
+            model_name=MODEL_NAME, contents=prompt.assemble_contents()
         )
         assert response
diff --git a/tests/system/vertexai/test_tokenization.py b/tests/system/vertexai/test_tokenization.py
index d586e53fd1..098da28d21 100644
--- a/tests/system/vertexai/test_tokenization.py
+++ b/tests/system/vertexai/test_tokenization.py
@@ -107,6 +107,7 @@
 
 
 @pytest.mark.parametrize("api_endpoint_env_name", [PROD_API_ENDPOINT])
+@pytest.mark.skip(reason="Models are deprecated.")
 class TestTokenization(e2e_base.TestEndToEnd):
     """System tests for tokenization."""