diff --git a/esphome/components/const/__init__.py b/esphome/components/const/__init__.py
index 6f418b48ea..3f7777883e 100644
--- a/esphome/components/const/__init__.py
+++ b/esphome/components/const/__init__.py
@@ -22,6 +22,7 @@ CONF_PARITY = "parity"
 CONF_RECEIVER_FREQUENCY = "receiver_frequency"
 CONF_REQUEST_HEADERS = "request_headers"
 CONF_ROWS = "rows"
+CONF_SHA256 = "sha256"
 CONF_STOP_BITS = "stop_bits"
 CONF_USE_PSRAM = "use_psram"
 CONF_VOLUME_INCREMENT = "volume_increment"
diff --git a/esphome/components/esp32_hosted/update/__init__.py b/esphome/components/esp32_hosted/update/__init__.py
index 202df21ab5..8e85cce75a 100644
--- a/esphome/components/esp32_hosted/update/__init__.py
+++ b/esphome/components/esp32_hosted/update/__init__.py
@@ -3,6 +3,7 @@ from typing import Any
 
 import esphome.codegen as cg
 from esphome.components import esp32, update
+from esphome.components.const import CONF_SHA256
 import esphome.config_validation as cv
 from esphome.const import CONF_ID, CONF_PATH, CONF_SOURCE, CONF_TYPE
 from esphome.core import CORE, ID, HexInt
@@ -11,7 +12,6 @@ CODEOWNERS = ["@swoboda1337"]
 AUTO_LOAD = ["sha256", "watchdog", "json"]
 DEPENDENCIES = ["esp32_hosted"]
 
-CONF_SHA256 = "sha256"
 CONF_HTTP_REQUEST_ID = "http_request_id"
 
 TYPE_EMBEDDED = "embedded"
diff --git a/esphome/components/shelly_dimmer/light.py b/esphome/components/shelly_dimmer/light.py
index 97538e13c9..ddf7fa161b 100644
--- a/esphome/components/shelly_dimmer/light.py
+++ b/esphome/components/shelly_dimmer/light.py
@@ -7,6 +7,7 @@ import requests
 from esphome import pins
 import esphome.codegen as cg
 from esphome.components import light, sensor, uart
+from esphome.components.const import CONF_SHA256
 import esphome.config_validation as cv
 from esphome.const import (
     CONF_CURRENT,
@@ -39,7 +40,6 @@ ShellyDimmer = shelly_dimmer_ns.class_(
 )
 
 CONF_FIRMWARE = "firmware"
-CONF_SHA256 = "sha256"
 CONF_UPDATE = "update"
 
 CONF_LEADING_EDGE = "leading_edge"
diff --git a/tests/components/const/common.yaml b/tests/components/const/common.yaml
deleted file mode 100644
index 109db65b63..0000000000
--- a/tests/components/const/common.yaml
+++ /dev/null
@@ -1,37 +0,0 @@
-display:
-  - platform: qspi_dbi
-    model: RM690B0
-    data_rate: 80MHz
-    spi_mode: mode0
-    dimensions:
-      width: 450
-      height: 600
-      offset_width: 16
-    color_order: rgb
-    invert_colors: false
-    brightness: 255
-    cs_pin: 11
-    reset_pin: 13
-    enable_pin: 9
-
-  - platform: qspi_dbi
-    model: CUSTOM
-    id: main_lcd
-    draw_from_origin: true
-    dimensions:
-      height: 240
-      width: 536
-    transform:
-      mirror_x: true
-      swap_xy: true
-    color_order: rgb
-    brightness: 255
-    cs_pin: 6
-    reset_pin: 17
-    enable_pin: 38
-    init_sequence:
-      - [0x3A, 0x66]
-      - [0x11]
-      - delay 120ms
-      - [0x29]
-      - delay 20ms
diff --git a/tests/components/const/test.esp32-s3-idf.yaml b/tests/components/const/test.esp32-s3-idf.yaml
deleted file mode 100644
index c335dee1f3..0000000000
--- a/tests/components/const/test.esp32-s3-idf.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-packages:
-  qspi: !include ../../test_build_components/common/qspi/esp32-s3-idf.yaml
-
-<<: !include common.yaml