diff --git a/src/login/pam_systemd.c b/src/login/pam_systemd.c
index 79a8b22102..4d0e7fd5e6 100644
--- a/src/login/pam_systemd.c
+++ b/src/login/pam_systemd.c
@@ -428,9 +428,9 @@ _public_ PAM_EXTERN int pam_sm_open_session(
 
         if (!isempty(display) && !vtnr) {
                 if (isempty(seat))
-                        get_seat_from_display(display, &seat, &vtnr);
+                        (void) get_seat_from_display(display, &seat, &vtnr);
                 else if (streq(seat, "seat0"))
-                        get_seat_from_display(display, NULL, &vtnr);
+                        (void) get_seat_from_display(display, NULL, &vtnr);
         }
 
         if (seat && !streq(seat, "seat0") && vtnr != 0) {
@@ -647,7 +647,7 @@ _public_ PAM_EXTERN int pam_sm_close_session(
 
         /* Only release session if it wasn't pre-existing when we
          * tried to create it */
-        pam_get_data(handle, "systemd.existing", &existing);
+        (void) pam_get_data(handle, "systemd.existing", &existing);
 
         id = pam_getenv(handle, "XDG_SESSION_ID");
         if (id && !existing) {