diff --git a/tests/test-replication.c b/tests/test-replication.c
index c8165ae954..f085d1993a 100644
--- a/tests/test-replication.c
+++ b/tests/test-replication.c
@@ -207,13 +207,17 @@ static BlockBackend *start_primary(void)
 static void teardown_primary(void)
 {
     BlockBackend *blk;
+    AioContext *ctx;
 
     /* remove P_ID */
     blk = blk_by_name(P_ID);
     assert(blk);
 
+    ctx = blk_get_aio_context(blk);
+    aio_context_acquire(ctx);
     monitor_remove_blk(blk);
     blk_unref(blk);
+    aio_context_release(ctx);
 }
 
 static void test_primary_read(void)
@@ -365,20 +369,27 @@ static void teardown_secondary(void)
 {
     /* only need to destroy two BBs */
     BlockBackend *blk;
+    AioContext *ctx;
 
     /* remove S_LOCAL_DISK_ID */
     blk = blk_by_name(S_LOCAL_DISK_ID);
     assert(blk);
 
+    ctx = blk_get_aio_context(blk);
+    aio_context_acquire(ctx);
     monitor_remove_blk(blk);
     blk_unref(blk);
+    aio_context_release(ctx);
 
     /* remove S_ID */
     blk = blk_by_name(S_ID);
     assert(blk);
 
+    ctx = blk_get_aio_context(blk);
+    aio_context_acquire(ctx);
     monitor_remove_blk(blk);
     blk_unref(blk);
+    aio_context_release(ctx);
 }
 
 static void test_secondary_read(void)