py: Eliminate some cases which trigger unused parameter warnings.

1 files changed, 4 insertions, 2 deletions

diff --git a/py/gc.c b/py/gc.c
index 7283e5f1f..e4d29d130 100644
--- a/py/gc.c
+++ b/py/gc.c
@@ -413,14 +413,16 @@ found:
     // to point to the heap and may prevent other blocks from being reclaimed.
     memset((byte*)ret_ptr + n_bytes, 0, (end_block - start_block + 1) * BYTES_PER_BLOCK - n_bytes);
 
-#if MICROPY_ENABLE_FINALISER
+    #if MICROPY_ENABLE_FINALISER
     if (has_finaliser) {
         // clear type pointer in case it is never set
         ((mp_obj_base_t*)ret_ptr)->type = MP_OBJ_NULL;
         // set mp_obj flag only if it has a finaliser
         FTB_SET(start_block);
     }
-#endif
+    #else
+    (void)has_finaliser;
+    #endif
 
     #if EXTENSIVE_HEAP_PROFILING
     gc_dump_alloc_table();