Max10 On-Chip-Flash/Dual Configuration Unconstrained Clocks

Hi,

I'm using altera_dual_boot and altera_onchip_flash in a MAX10M08DAF256C8G with Quartus Prime Lite 15.1.0.
In TimeQuest I get the followed messages:

Node: ...|altera_onchip_flash_onchip_flash|altera_onchip _flash_avmm_data_controller:avmm_data_controller|r ead_state.READ_STATE_SETUP was determined to be a clock but was found without an associated clock assignment.
Register ...|altera_onchip_flash_onchip_flash|altera_onchip _flash_block:altera_onchip_flash_block|ufm_block~X E_YE_TO_SE_FF is being clocked by ...|altera_onchip_flash:onchip_flash|altera_onchip _flash_avmm_data_controller:avmm_data_controller|r ead_state.READ_STATE_SETUP

Node: ...|altera_dual_boot:dual_boot|alt_dual_boot_avmm: alt_dual_boot_avmm_comp|alt_dual_boot:alt_dual_boo t|ru_clk was determined to be a clock but was found without an associated clock assignment.
Register ...|altera_dual_boot:dual_boot|alt_dual_boot_avmm: alt_dual_boot_avmm_comp|alt_dual_boot:alt_dual_boo t|ru_regout is being clocked by ...|altera_dual_boot:dual_boot|alt_dual_boot_avmm: alt_dual_boot_avmm_comp|alt_dual_boot:alt_dual_boo t|ru_clk

Are there any solutions to constrain the signals and avoid this messages?

Thanks and best regards
Guenter