diff --git a/homeassistant/components/workday/config_flow.py b/homeassistant/components/workday/config_flow.py
index 20d9040e527..f3b139b27c0 100644
--- a/homeassistant/components/workday/config_flow.py
+++ b/homeassistant/components/workday/config_flow.py
@@ -155,6 +155,7 @@ def validate_custom_dates(user_input: dict[str, Any]) -> None:
             subdiv=province,
             years=year,
             language=language,
+            categories=[PUBLIC, *user_input.get(CONF_CATEGORY, [])],
         )
 
     else:
diff --git a/tests/components/workday/test_config_flow.py b/tests/components/workday/test_config_flow.py
index c618c5fd830..b9cbde31e54 100644
--- a/tests/components/workday/test_config_flow.py
+++ b/tests/components/workday/test_config_flow.py
@@ -14,6 +14,7 @@ from homeassistant.components.workday.const import (
     CONF_CATEGORY,
     CONF_EXCLUDES,
     CONF_OFFSET,
+    CONF_PROVINCE,
     CONF_REMOVE_HOLIDAYS,
     CONF_WORKDAYS,
     DEFAULT_EXCLUDES,
@@ -702,6 +703,53 @@ async def test_form_with_categories(hass: HomeAssistant) -> None:
     }
 
 
+async def test_form_with_categories_can_remove_day(hass: HomeAssistant) -> None:
+    """Test optional categories, days can be removed."""
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+    assert result["type"] is FlowResultType.FORM
+
+    result2 = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            CONF_NAME: "Workday Sensor",
+            CONF_COUNTRY: "CH",
+        },
+    )
+    await hass.async_block_till_done()
+    result3 = await hass.config_entries.flow.async_configure(
+        result2["flow_id"],
+        {
+            CONF_PROVINCE: "FR",
+            CONF_EXCLUDES: DEFAULT_EXCLUDES,
+            CONF_OFFSET: DEFAULT_OFFSET,
+            CONF_WORKDAYS: DEFAULT_WORKDAYS,
+            CONF_ADD_HOLIDAYS: [],
+            CONF_REMOVE_HOLIDAYS: ["Berchtoldstag"],
+            CONF_LANGUAGE: "de",
+            CONF_CATEGORY: [OPTIONAL],
+        },
+    )
+    await hass.async_block_till_done()
+
+    assert result3["type"] is FlowResultType.CREATE_ENTRY
+    assert result3["title"] == "Workday Sensor"
+    assert result3["options"] == {
+        "name": "Workday Sensor",
+        "country": "CH",
+        "excludes": ["sat", "sun", "holiday"],
+        "days_offset": 0,
+        "workdays": ["mon", "tue", "wed", "thu", "fri"],
+        "add_holidays": [],
+        "province": "FR",
+        "remove_holidays": ["Berchtoldstag"],
+        "language": "de",
+        "category": ["optional"],
+    }
+
+
 async def test_options_form_removes_subdiv(hass: HomeAssistant) -> None:
     """Test we get the form in options when removing a configured subdivision."""