diff --git a/runtime/tests/test_psx_cycle_event_boundaries.c b/runtime/tests/test_psx_cycle_event_boundaries.c
index 83b6e885..324d08a0 100644
--- a/runtime/tests/test_psx_cycle_event_boundaries.c
+++ b/runtime/tests/test_psx_cycle_event_boundaries.c
@@ -13,6 +13,9 @@ int g_ls_replay_active = 0;
 int g_ls_mode = 0;
 int g_precise_mode = 0;
 int g_psx_call_bail = 0;
+/* These standalone fixtures have no host-output sandbox or restored CPU. */
+int g_boot_state_cpu_timing_restored = 0;
+int psx_mod_host_output_scope(void) { return 0; }
 uint32_t i_mask = 0;
 uint64_t g_guest_store_count = 0;
 uint64_t g_mmio_access_count = 0;
diff --git a/runtime/tests/test_psx_guest_cycle_scale_gate.c b/runtime/tests/test_psx_guest_cycle_scale_gate.c
index 44a57526..3d56c9c9 100644
--- a/runtime/tests/test_psx_guest_cycle_scale_gate.c
+++ b/runtime/tests/test_psx_guest_cycle_scale_gate.c
@@ -34,6 +34,9 @@ int g_ls_replay_active = 0;
 int g_ls_mode = 0;
 int g_precise_mode = 0;
 int g_psx_call_bail = 0;
+/* These standalone fixtures have no host-output sandbox or restored CPU. */
+int g_boot_state_cpu_timing_restored = 0;
+int psx_mod_host_output_scope(void) { return 0; }
 uint32_t i_mask = 0;
 uint64_t g_guest_store_count = 0;
 uint64_t g_mmio_access_count = 0;