Excluding empty value for suggested values in an EnumList Ref

[teambelair]

Hi All,

I have a column EnumList of type Ref where I use AUTO COMPUTE > Suggested values with the following code:

SPLIT(
	SELECT(
		Objective_Completion_Logs[Working_Teaching_Tips]
	,
		AND(
			ISNOTBLANK(Working_Teaching_Tips)
		,
			[Objective]=[_THISROW].[Objective_1]
			
		)
	,
		TRUE
	)
,
	","
)

In the Select condition, I exclude rows that have their column Working_Teaching_Tips empty. However, when the user clicks on the column to see the list of suggested values, an empty option is displayed. The good thing is that it disappears if I try to select any options (see video).

Do you have any recommendation in changing the expression above to avoid seeing this glitch?