diff --git a/tests/components/template/common-base.yaml b/tests/components/template/common-base.yaml
index 7d2cb19077..b873af5207 100644
--- a/tests/components/template/common-base.yaml
+++ b/tests/components/template/common-base.yaml
@@ -9,27 +9,6 @@ esphome:
         id: template_sens
         state: !lambda "return 42.0;"
 
-    # Test C++ API: set_template() with stateless lambda (no captures)
-    - lambda: |-
-        id(template_sens).set_template([]() -> esphome::optional<float> {
-          return 123.0f;
-        });
-
-    # Test C++ API: set_template() with stateful lambda (with captures)
-    # This is the regression test for issue #11555
-    - lambda: |-
-        float captured_value = 456.0f;
-        id(template_sens).set_template([captured_value]() -> esphome::optional<float> {
-          return captured_value;
-        });
-
-    # Test C++ API: set_template() with more complex capture
-    - lambda: |-
-        auto sensor_id = id(template_sens);
-        id(template_number).set_template([sensor_id]() -> esphome::optional<float> {
-          return sensor_id->state * 2.0f;
-        });
-
     - datetime.date.set:
         id: test_date
         date:
@@ -236,7 +215,6 @@ cover:
 
 number:
   - platform: template
-    id: template_number
     name: "Template number"
     optimistic: true
     min_value: 0