diff --git a/server/src/main/java/org/opensearch/cluster/routing/allocation/allocator/BalancedShardsAllocator.java b/server/src/main/java/org/opensearch/cluster/routing/allocation/allocator/BalancedShardsAllocator.java
index 5110efb9a15e3..11b94f98212b7 100644
--- a/server/src/main/java/org/opensearch/cluster/routing/allocation/allocator/BalancedShardsAllocator.java
+++ b/server/src/main/java/org/opensearch/cluster/routing/allocation/allocator/BalancedShardsAllocator.java
@@ -173,7 +173,7 @@ public class BalancedShardsAllocator implements ShardsAllocator {
 
     public static final Setting<TimeValue> ALLOCATOR_TIMEOUT_SETTING = Setting.timeSetting(
         "cluster.routing.allocation.balanced_shards_allocator.allocator_timeout",
-        TimeValue.timeValueSeconds(20),
+        TimeValue.MINUS_ONE,
         TimeValue.MINUS_ONE,
         timeValue -> {
             if (timeValue.compareTo(MIN_ALLOCATOR_TIMEOUT) < 0 && timeValue.compareTo(TimeValue.MINUS_ONE) != 0) {
diff --git a/server/src/test/java/org/opensearch/cluster/routing/allocation/decider/DiskThresholdDeciderTests.java b/server/src/test/java/org/opensearch/cluster/routing/allocation/decider/DiskThresholdDeciderTests.java
index 2e24640fe858d..e0701f9ba9c7f 100644
--- a/server/src/test/java/org/opensearch/cluster/routing/allocation/decider/DiskThresholdDeciderTests.java
+++ b/server/src/test/java/org/opensearch/cluster/routing/allocation/decider/DiskThresholdDeciderTests.java
@@ -530,6 +530,8 @@ public void testDiskThresholdWithAbsoluteSizes() {
         // Primary should initialize, even though both nodes are over the limit initialize
         assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(1));
 
+        // below checks are unnecessary as the primary shard is always assigned to node2 as BSA always picks up that node
+        // first as both node1 and node2 have equal weight as both of them contain zero shards.
         String nodeWithPrimary, nodeWithoutPrimary;
         if (clusterState.getRoutingNodes().node("node1").size() == 1) {
             nodeWithPrimary = "node1";
@@ -679,10 +681,12 @@ public void testDiskThresholdWithAbsoluteSizes() {
         clusterState = startInitializingShardsAndReroute(strategy, clusterState);
 
         logShardStates(clusterState);
-        // primary shard already has been relocated away
-        assertThat(clusterState.getRoutingNodes().node(nodeWithPrimary).size(), equalTo(0));
-        // node with increased space still has its shard
-        assertThat(clusterState.getRoutingNodes().node(nodeWithoutPrimary).size(), equalTo(1));
+        // primary shard already has been relocated away - this is a wrong expectation as we don't really move
+        // primary first unless explicitly set by setting. This is caught with PR
+        // https://github.com/opensearch-project/OpenSearch/pull/14761/
+        // as it randomises nodes to check for potential moves
+        // assertThat(clusterState.getRoutingNodes().node(nodeWithPrimary).size(), equalTo(0));
+        // assertThat(clusterState.getRoutingNodes().node(nodeWithoutPrimary).size(), equalTo(1));
         assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(1));
         assertThat(clusterState.getRoutingNodes().node("node4").size(), equalTo(1));