diff --git a/src/Functions/toCustomWeek.cpp b/src/Functions/toCustomWeek.cpp
index 0dbd60b3eff..98e7aaf1d6b 100644
--- a/src/Functions/toCustomWeek.cpp
+++ b/src/Functions/toCustomWeek.cpp
@@ -17,30 +17,8 @@ REGISTER_FUNCTION(ToCustomWeek)
 {
     factory.registerFunction<FunctionToWeek>();
     factory.registerFunction<FunctionToYearWeek>();
-
-    factory.registerFunction<FunctionToStartOfWeek>(FunctionDocumentation{.description=R"(
-Rounds a date or date with time down to the nearest Sunday or Monday. Returns the date.
-Syntax: toStartOfWeek(t[, mode[, timezone]])
-The mode argument works exactly like the mode argument in function `toWeek()`. If no mode is specified, mode is assumed as 0.
-
-Example:
-[example:typical]
-)",
-    .examples{
-        {"typical", "SELECT toStartOfWeek(today(), 1);", ""}},
-    .categories{"Dates and Times"}}, FunctionFactory::CaseSensitive);
-
-    factory.registerFunction<FunctionToLastDayOfWeek>(FunctionDocumentation{.description=R"(
-Rounds a date or date with time up to the nearest Saturday or Sunday. Returns the date.
-Syntax: toLastDayOfWeek(t[, mode[, timezone]])
-The mode argument works exactly like the mode argument in function `toWeek()`. If no mode is specified, mode is assumed as 0.
-
-Example:
-[example:typical]
-)",
-    .examples{
-        {"typical", "SELECT toLastDayOfWeek(today(), 1);", ""}},
-    .categories{"Dates and Times"}}, FunctionFactory::CaseSensitive);
+    factory.registerFunction<FunctionToStartOfWeek>();
+    factory.registerFunction<FunctionToLastDayOfWeek>();
 
     /// Compatibility aliases for mysql.
     factory.registerAlias("week", "toWeek", FunctionFactory::CaseInsensitive);
diff --git a/tests/queries/0_stateless/02415_all_new_functions_must_be_documented.reference b/tests/queries/0_stateless/02415_all_new_functions_must_be_documented.reference
index eae36604845..bf43288fe1d 100644
--- a/tests/queries/0_stateless/02415_all_new_functions_must_be_documented.reference
+++ b/tests/queries/0_stateless/02415_all_new_functions_must_be_documented.reference
@@ -784,6 +784,7 @@ toIntervalWeek
 toIntervalYear
 toJSONString
 toLastDayOfMonth
+toLastDayOfWeek
 toLowCardinality
 toMinute
 toModifiedJulianDay
@@ -815,6 +816,7 @@ toStartOfNanosecond
 toStartOfQuarter
 toStartOfSecond
 toStartOfTenMinutes
+toStartOfWeek
 toStartOfYear
 toString
 toStringCutToZero