diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 3dd1d7958a..cf5b4bf084 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -31963,10 +31963,8 @@ virDomainDefVcpuOrderClear(virDomainDefPtr def)
  *
  * Set the block I/O tune settings from @info on the @disk, but error out early
  * in case of any error.  That is to make sure nothing will fail half-way.
- *
- * Returns: 0 on success, -1 otherwise
  */
-int
+void
 virDomainDiskSetBlockIOTune(virDomainDiskDefPtr disk,
                             virDomainBlockIoTuneInfo *info)
 {
@@ -31977,8 +31975,6 @@ virDomainDiskSetBlockIOTune(virDomainDiskDefPtr disk,
     VIR_FREE(disk->blkdeviotune.group_name);
     disk->blkdeviotune = *info;
     disk->blkdeviotune.group_name = g_steal_pointer(&tmp_group);
-
-    return 0;
 }
 
 
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 4cd6bcd01d..12d21e36be 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3804,8 +3804,8 @@ virDomainGetBlkioParametersAssignFromDef(virDomainDefPtr def,
                                          int *nparams,
                                          int maxparams);
 
-int virDomainDiskSetBlockIOTune(virDomainDiskDefPtr disk,
-                                virDomainBlockIoTuneInfo *info);
+void virDomainDiskSetBlockIOTune(virDomainDiskDefPtr disk,
+                                 virDomainBlockIoTuneInfo *info);
 
 bool
 virDomainNetTypeSharesHostView(const virDomainNetDef *net);
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 5f0bb69dd5..f5232bf866 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -16324,8 +16324,7 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
             goto endjob;
         ret = -1;
 
-        if (virDomainDiskSetBlockIOTune(disk, &info) < 0)
-            goto endjob;
+        virDomainDiskSetBlockIOTune(disk, &info);
 
         qemuDomainSetGroupBlockIoTune(def, &info);
 
@@ -16356,8 +16355,7 @@ qemuDomainSetBlockIoTune(virDomainPtr dom,
         if (qemuDomainCheckBlockIoTuneReset(conf_disk, &conf_info) < 0)
             goto endjob;
 
-        if (virDomainDiskSetBlockIOTune(conf_disk, &conf_info) < 0)
-            goto endjob;
+        virDomainDiskSetBlockIOTune(conf_disk, &conf_info);
 
         qemuDomainSetGroupBlockIoTune(persistentDef, &conf_info);
 
diff --git a/src/test/test_driver.c b/src/test/test_driver.c
index cd502781e1..136269de3d 100644
--- a/src/test/test_driver.c
+++ b/src/test/test_driver.c
@@ -3832,8 +3832,7 @@ testDomainSetBlockIoTune(virDomainPtr dom,
 
 #undef TEST_BLOCK_IOTUNE_MAX_CHECK
 
-    if (virDomainDiskSetBlockIOTune(conf_disk, &info) < 0)
-        goto cleanup;
+    virDomainDiskSetBlockIOTune(conf_disk, &info);
     info.group_name = NULL;
 
     ret = 0;