diff --git a/server/src/internalClusterTest/java/org/opensearch/search/fetch/FetchSubPhasePluginIT.java b/server/src/internalClusterTest/java/org/opensearch/search/fetch/FetchSubPhasePluginIT.java
index 77ddc5bf636f0..87f2153eb800f 100644
--- a/server/src/internalClusterTest/java/org/opensearch/search/fetch/FetchSubPhasePluginIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/search/fetch/FetchSubPhasePluginIT.java
@@ -100,10 +100,6 @@ protected Collection<Class<? extends Plugin>> nodePlugins() {
 
     @SuppressWarnings("unchecked")
     public void testPlugin() throws Exception {
-        assumeFalse(
-            "Concurrent search case muted pending fix: https://github.com/opensearch-project/OpenSearch/issues/11112",
-            internalCluster().clusterService().getClusterSettings().get(CLUSTER_CONCURRENT_SEGMENT_SEARCH_SETTING)
-        );
         client().admin()
             .indices()
             .prepareCreate("test")
diff --git a/server/src/internalClusterTest/java/org/opensearch/search/functionscore/RandomScoreFunctionIT.java b/server/src/internalClusterTest/java/org/opensearch/search/functionscore/RandomScoreFunctionIT.java
index 54cfcb7e6a683..69e30fc879dd8 100644
--- a/server/src/internalClusterTest/java/org/opensearch/search/functionscore/RandomScoreFunctionIT.java
+++ b/server/src/internalClusterTest/java/org/opensearch/search/functionscore/RandomScoreFunctionIT.java
@@ -135,6 +135,7 @@ public void testConsistentHitsWithSameSeed() throws Exception {
         }
         flush();
         refresh();
+        indexRandomForConcurrentSearch("test");
         int outerIters = scaledRandomIntBetween(10, 20);
         for (int o = 0; o < outerIters; o++) {
             final int seed = randomInt();
@@ -299,6 +300,7 @@ public void testSeedReportedInExplain() throws Exception {
         index("test", "type", "1", jsonBuilder().startObject().endObject());
         flush();
         refresh();
+        indexRandomForConcurrentSearch("test");
 
         int seed = 12345678;
 
@@ -318,6 +320,7 @@ public void testSeedAndNameReportedInExplain() throws Exception {
         index("test", "type", "1", jsonBuilder().startObject().endObject());
         flush();
         refresh();
+        indexRandomForConcurrentSearch("test");
 
         int seed = 12345678;