You can disable those in the app manager settings, this allow you to see if any side effect. Titanium can be used to delete them permanently, or even a root accessible file manager to delete from system.
Phone: Htc One Max T6VZW
Rom: ViperMax 2.0.0
Theme: DarkMax 1.0.3 & TeamBlackout apps
Recovery: TWRP 184.108.40.206
Android version: 4.4