Cannot delete a copy of the CRM app

Cannot delete a copy of the CRM app

I have inadvertently copied the CRM app multiple times. Now I am not able to delete any of the copies.

It gives me the following errors.

Please help.

This application components is used in the following places,Please remove this and try deleting the application

The function 'thisapp.monthStartDate' is referred in following place

1.thisapp.salesForMonth
2.thisapp.salesForPersonThisMonth


The function 'thisapp.monthEndDate' is referred in following place

1.thisapp.salesForMonth
2.thisapp.salesForPersonThisMonth


The function 'thisapp.amountForStage' is referred in following place

1.thisapp.chart.pipeLineChart


The function 'thisapp.salesForMonth' is referred in following place

1.thisapp.chart.salesGrowthChart


The function 'thisapp.salesForPersonThisMonth' is referred in following place

1.thisapp.chart.salesPerformanceChart


The function 'thisapp.chart.getChartUrlWithOrder' is referred in following place

1.thisapp.chart.pipeLineChart
2.thisapp.chart.salesGrowthChart
3.thisapp.chart.salesPerformanceChart


The function 'thisapp.getSalesPersons' is referred in following place

1.thisapp.chart.salesPerformanceChart