diff --git a/src/storage/storage_backend.h b/src/storage/storage_backend.h
index 9f1db605fbe42a727e93dd9ec6cf295cf38a0b7a..fd2451cf6ab1131b92b5e88b06e1fe2a148c20ac 100644
--- a/src/storage/storage_backend.h
+++ b/src/storage/storage_backend.h
@@ -34,8 +34,7 @@
 typedef char * (*virStorageBackendFindPoolSources)(virConnectPtr conn,
                                                    const char *srcSpec,
                                                    unsigned int flags);
-typedef int (*virStorageBackendCheckPool)(virConnectPtr conn,
-                                          virStoragePoolObjPtr pool,
+typedef int (*virStorageBackendCheckPool)(virStoragePoolObjPtr pool,
                                           bool *active);
 typedef int (*virStorageBackendStartPool)(virConnectPtr conn,
                                           virStoragePoolObjPtr pool);
diff --git a/src/storage/storage_backend_fs.c b/src/storage/storage_backend_fs.c
index 35385db84f431d3a4cf8d4ef737e1cb5668fcf2d..d4d65bcf2ea3dd8499bdeb310423707dcd7c0f38 100644
--- a/src/storage/storage_backend_fs.c
+++ b/src/storage/storage_backend_fs.c
@@ -533,8 +533,7 @@ virStorageBackendFileSystemUnmount(virStoragePoolObjPtr pool)
 
 
 static int
-virStorageBackendFileSystemCheck(virConnectPtr conn ATTRIBUTE_UNUSED,
-                                 virStoragePoolObjPtr pool,
+virStorageBackendFileSystemCheck(virStoragePoolObjPtr pool,
                                  bool *isActive)
 {
     if (pool->def->type == VIR_STORAGE_POOL_DIR) {
diff --git a/src/storage/storage_backend_iscsi.c b/src/storage/storage_backend_iscsi.c
index 079c767af45f4de24d3a7f5fe0dbbf08739bd171..497a71b66c44eb8a8a15a87b9fb811e7bf6b6c43 100644
--- a/src/storage/storage_backend_iscsi.c
+++ b/src/storage/storage_backend_iscsi.c
@@ -236,8 +236,7 @@ virStorageBackendISCSIFindPoolSources(virConnectPtr conn ATTRIBUTE_UNUSED,
 }
 
 static int
-virStorageBackendISCSICheckPool(virConnectPtr conn ATTRIBUTE_UNUSED,
-                                virStoragePoolObjPtr pool,
+virStorageBackendISCSICheckPool(virStoragePoolObjPtr pool,
                                 bool *isActive)
 {
     char *session = NULL;
diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c
index 7ba8ded55b04f354f085014513d6c41577f64d29..11c568388443f447a99aa900395982f24efbd2c0 100644
--- a/src/storage/storage_backend_logical.c
+++ b/src/storage/storage_backend_logical.c
@@ -479,8 +479,7 @@ virStorageBackendLogicalFindPoolSources(virConnectPtr conn ATTRIBUTE_UNUSED,
 
 
 static int
-virStorageBackendLogicalCheckPool(virConnectPtr conn ATTRIBUTE_UNUSED,
-                                  virStoragePoolObjPtr pool,
+virStorageBackendLogicalCheckPool(virStoragePoolObjPtr pool,
                                   bool *isActive)
 {
     *isActive = virFileExists(pool->def->target.path);
diff --git a/src/storage/storage_backend_mpath.c b/src/storage/storage_backend_mpath.c
index 44bcd60ddf2ca77893546a336df3c7aa1aa9af56..971408a81722c7d7b5b579e1bc91dc481f2aaec1 100644
--- a/src/storage/storage_backend_mpath.c
+++ b/src/storage/storage_backend_mpath.c
@@ -245,8 +245,7 @@ virStorageBackendGetMaps(virStoragePoolObjPtr pool)
 }
 
 static int
-virStorageBackendMpathCheckPool(virConnectPtr conn ATTRIBUTE_UNUSED,
-                                virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
+virStorageBackendMpathCheckPool(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
                                 bool *isActive)
 {
     *isActive = virFileExists("/dev/mpath");
diff --git a/src/storage/storage_backend_scsi.c b/src/storage/storage_backend_scsi.c
index 58e7e6d0601b5801ddc28dcf90781b94099de4ea..66e0846cc6dfe615027b584b597ec3869a5314cf 100644
--- a/src/storage/storage_backend_scsi.c
+++ b/src/storage/storage_backend_scsi.c
@@ -844,8 +844,7 @@ deleteVport(virConnectPtr conn,
 
 
 static int
-virStorageBackendSCSICheckPool(virConnectPtr conn ATTRIBUTE_UNUSED,
-                               virStoragePoolObjPtr pool,
+virStorageBackendSCSICheckPool(virStoragePoolObjPtr pool,
                                bool *isActive)
 {
     char *path = NULL;
diff --git a/src/storage/storage_backend_zfs.c b/src/storage/storage_backend_zfs.c
index 948270680c34dffe37acfc0c30c436bdc957eb32..cb2662a27e8798ca85de9c669fc6059567ba1d04 100644
--- a/src/storage/storage_backend_zfs.c
+++ b/src/storage/storage_backend_zfs.c
@@ -41,8 +41,7 @@ VIR_LOG_INIT("storage.storage_backend_zfs");
 
 
 static int
-virStorageBackendZFSCheckPool(virConnectPtr conn ATTRIBUTE_UNUSED,
-                              virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
+virStorageBackendZFSCheckPool(virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
                               bool *isActive)
 {
     char *devpath;
diff --git a/src/storage/storage_driver.c b/src/storage/storage_driver.c
index b95506faf594afbd2db2d1bcdcc81041f20dcd70..64ea770d2387ffa51ba1b3b7349331afa2b29030 100644
--- a/src/storage/storage_driver.c
+++ b/src/storage/storage_driver.c
@@ -100,7 +100,7 @@ storageDriverAutostart(void)
         }
 
         if (backend->checkPool &&
-            backend->checkPool(conn, pool, &started) < 0) {
+            backend->checkPool(pool, &started) < 0) {
             virErrorPtr err = virGetLastError();
             VIR_ERROR(_("Failed to initialize storage pool '%s': %s"),
                       pool->def->name, err ? err->message :