delete array; not delete [] array;delete [] arr; is equivalant to delete arr[0]; delete arr[1]; ... delete arr[k]; ------------------------------------------------ defination from msdn: The delete operator destroys the object created with new by deallocating the memory associated with the object. ------------------------------------------------ however your array is array of primative type bool now try this Class Bool { public bool myBool; }; Bool *flag2 = new Bool[8]; delete [] flat2;