diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 4925792257d1..308ba2e961e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1906,7 +1906,6 @@ int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
 
 /* Thermal management and CT-kill */
 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
-void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
 			struct iwl_rx_cmd_buffer *rxb);
 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
index 9dfe0381cbeb..790bc68a515a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c
@@ -44,7 +44,7 @@ static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)
 	iwl_mvm_set_hw_ctkill_state(mvm, false);
 }
 
-void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)
+static void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp)
 {
 	/* ignore the notification if we are in test mode */
 	if (mvm->temperature_test)