diff --git a/script/analyze_component_buses.py b/script/analyze_component_buses.py
index fc7d021cbe..98edfef145 100755
--- a/script/analyze_component_buses.py
+++ b/script/analyze_component_buses.py
@@ -83,8 +83,6 @@ ISOLATED_COMPONENTS = {
     "openthread": "Conflicts with wifi: used by most components",
     "openthread_info": "Conflicts with wifi: used by most components",
     "matrix_keypad": "Needs isolation due to keypad",
-    "mcp4725": "no YAML config to specify i2c bus id",
-    "mcp47a1": "no YAML config to specify i2c bus id",
     "modbus_controller": "Defines multiple modbus buses for testing client/server functionality - conflicts with package modbus bus",
     "neopixelbus": "RMT type conflict with ESP32 Arduino/ESP-IDF headers (enum vs struct rmt_channel_t)",
     "packages": "cannot merge packages",
diff --git a/tests/components/mcp4725/common.yaml b/tests/components/mcp4725/common.yaml
index 871c2805a3..9352ebfd19 100644
--- a/tests/components/mcp4725/common.yaml
+++ b/tests/components/mcp4725/common.yaml
@@ -1,3 +1,4 @@
 output:
   - platform: mcp4725
     id: mcp4725_dac_output
+    i2c_id: i2c_bus
diff --git a/tests/components/mcp47a1/common.yaml b/tests/components/mcp47a1/common.yaml
index 3448fcfb31..5a5786ff0f 100644
--- a/tests/components/mcp47a1/common.yaml
+++ b/tests/components/mcp47a1/common.yaml
@@ -1,3 +1,4 @@
 output:
   - platform: mcp47a1
     id: output_mcp47a1
+    i2c_id: i2c_bus