diff --git a/src/esx/esx_driver.c b/src/esx/esx_driver.c
index 9718f61211816002b67bf156e4d3d84bcfc3f5a1..3f2655755369074319b8e780f4f9ace312b8678a 100644
--- a/src/esx/esx_driver.c
+++ b/src/esx/esx_driver.c
@@ -4228,7 +4228,6 @@ esxDomainSnapshotCreateXML(virDomainPtr domain, const char *xmlDesc,
     esxVI_ObjectContent *virtualMachine = NULL;
     esxVI_VirtualMachineSnapshotTree *rootSnapshotList = NULL;
     esxVI_VirtualMachineSnapshotTree *snapshotTree = NULL;
-    esxVI_VirtualMachineSnapshotTree *snapshotTreeParent = NULL;
     esxVI_ManagedObjectReference *task = NULL;
     esxVI_TaskInfoState taskInfoState;
     char *taskInfoErrorMessage = NULL;
@@ -4259,7 +4258,7 @@ esxDomainSnapshotCreateXML(virDomainPtr domain, const char *xmlDesc,
         esxVI_LookupRootSnapshotTreeList(priv->primary, domain->uuid,
                                          &rootSnapshotList) < 0 ||
         esxVI_GetSnapshotTreeByName(rootSnapshotList, def->name,
-                                    &snapshotTree, &snapshotTreeParent,
+                                    &snapshotTree, NULL,
                                     esxVI_Occurrence_OptionalItem) < 0) {
         goto cleanup;
     }
@@ -4437,7 +4436,6 @@ esxDomainSnapshotLookupByName(virDomainPtr domain, const char *name,
     esxPrivate *priv = domain->conn->privateData;
     esxVI_VirtualMachineSnapshotTree *rootSnapshotTreeList = NULL;
     esxVI_VirtualMachineSnapshotTree *snapshotTree = NULL;
-    esxVI_VirtualMachineSnapshotTree *snapshotTreeParent = NULL;
     virDomainSnapshotPtr snapshot = NULL;
 
     virCheckFlags(0, NULL);
@@ -4449,7 +4447,7 @@ esxDomainSnapshotLookupByName(virDomainPtr domain, const char *name,
     if (esxVI_LookupRootSnapshotTreeList(priv->primary, domain->uuid,
                                          &rootSnapshotTreeList) < 0 ||
         esxVI_GetSnapshotTreeByName(rootSnapshotTreeList, name, &snapshotTree,
-                                    &snapshotTreeParent,
+                                    NULL,
                                     esxVI_Occurrence_RequiredItem) < 0) {
         goto cleanup;
     }
@@ -4567,7 +4565,6 @@ esxDomainRevertToSnapshot(virDomainSnapshotPtr snapshot, unsigned int flags)
     esxPrivate *priv = snapshot->domain->conn->privateData;
     esxVI_VirtualMachineSnapshotTree *rootSnapshotList = NULL;
     esxVI_VirtualMachineSnapshotTree *snapshotTree = NULL;
-    esxVI_VirtualMachineSnapshotTree *snapshotTreeParent = NULL;
     esxVI_ManagedObjectReference *task = NULL;
     esxVI_TaskInfoState taskInfoState;
     char *taskInfoErrorMessage = NULL;
@@ -4581,7 +4578,7 @@ esxDomainRevertToSnapshot(virDomainSnapshotPtr snapshot, unsigned int flags)
     if (esxVI_LookupRootSnapshotTreeList(priv->primary, snapshot->domain->uuid,
                                          &rootSnapshotList) < 0 ||
         esxVI_GetSnapshotTreeByName(rootSnapshotList, snapshot->name,
-                                    &snapshotTree, &snapshotTreeParent,
+                                    &snapshotTree, NULL,
                                     esxVI_Occurrence_RequiredItem) < 0) {
         goto cleanup;
     }
@@ -4621,7 +4618,6 @@ esxDomainSnapshotDelete(virDomainSnapshotPtr snapshot, unsigned int flags)
     esxPrivate *priv = snapshot->domain->conn->privateData;
     esxVI_VirtualMachineSnapshotTree *rootSnapshotList = NULL;
     esxVI_VirtualMachineSnapshotTree *snapshotTree = NULL;
-    esxVI_VirtualMachineSnapshotTree *snapshotTreeParent = NULL;
     esxVI_Boolean removeChildren = esxVI_Boolean_False;
     esxVI_ManagedObjectReference *task = NULL;
     esxVI_TaskInfoState taskInfoState;
@@ -4641,7 +4637,7 @@ esxDomainSnapshotDelete(virDomainSnapshotPtr snapshot, unsigned int flags)
     if (esxVI_LookupRootSnapshotTreeList(priv->primary, snapshot->domain->uuid,
                                          &rootSnapshotList) < 0 ||
         esxVI_GetSnapshotTreeByName(rootSnapshotList, snapshot->name,
-                                    &snapshotTree, &snapshotTreeParent,
+                                    &snapshotTree, NULL,
                                     esxVI_Occurrence_RequiredItem) < 0) {
         goto cleanup;
     }
diff --git a/src/esx/esx_vi.c b/src/esx/esx_vi.c
index fa26dea1fb87cc33852b568701f7846eda1e9312..4a8c709fac0b0e6199bd8958a32db5a1eff22a73 100644
--- a/src/esx/esx_vi.c
+++ b/src/esx/esx_vi.c
@@ -2243,7 +2243,7 @@ esxVI_GetSnapshotTreeByName
     esxVI_VirtualMachineSnapshotTree *candidate;
 
     if (snapshotTree == NULL || *snapshotTree != NULL ||
-        snapshotTreeParent == NULL || *snapshotTreeParent != NULL) {
+        (snapshotTreeParent && *snapshotTreeParent != NULL)) {
         ESX_VI_ERROR(VIR_ERR_INTERNAL_ERROR, "%s", _("Invalid argument"));
         return -1;
     }
@@ -2252,14 +2252,15 @@ esxVI_GetSnapshotTreeByName
          candidate = candidate->_next) {
         if (STREQ(candidate->name, name)) {
             *snapshotTree = candidate;
-            *snapshotTreeParent = NULL;
+            if (snapshotTreeParent)
+                *snapshotTreeParent = NULL;
             return 1;
         }
 
         if (esxVI_GetSnapshotTreeByName(candidate->childSnapshotList, name,
                                         snapshotTree, snapshotTreeParent,
                                         occurrence) > 0) {
-            if (*snapshotTreeParent == NULL) {
+            if (snapshotTreeParent && *snapshotTreeParent == NULL) {
                 *snapshotTreeParent = candidate;
             }