diff --git a/muted-tests.yml b/muted-tests.yml
index 33f5434d6a963..2689f02cc92cd 100644
--- a/muted-tests.yml
+++ b/muted-tests.yml
@@ -302,8 +302,6 @@ tests:
 - class: org.elasticsearch.reservedstate.service.FileSettingsServiceTests
   method: testInvalidJSON
   issue: https://github.com/elastic/elasticsearch/issues/116521
-- class: org.elasticsearch.xpack.esql.optimizer.LogicalPlanOptimizerTests
-  issue: https://github.com/elastic/elasticsearch/issues/118721
 
 # Examples:
 #
diff --git a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/LogicalPlanOptimizerTests.java b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/LogicalPlanOptimizerTests.java
index 0a01dfc088cfb..1d10ebab267ce 100644
--- a/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/LogicalPlanOptimizerTests.java
+++ b/x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/LogicalPlanOptimizerTests.java
@@ -21,6 +21,7 @@
 import org.elasticsearch.xpack.esql.EsqlTestUtils;
 import org.elasticsearch.xpack.esql.TestBlockFactory;
 import org.elasticsearch.xpack.esql.VerificationException;
+import org.elasticsearch.xpack.esql.action.EsqlCapabilities;
 import org.elasticsearch.xpack.esql.analysis.Analyzer;
 import org.elasticsearch.xpack.esql.analysis.AnalyzerContext;
 import org.elasticsearch.xpack.esql.analysis.AnalyzerTestUtils;
@@ -4910,6 +4911,8 @@ public void testPlanSanityCheck() throws Exception {
     }
 
     public void testPlanSanityCheckWithBinaryPlans() throws Exception {
+        assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V5.isEnabled());
+
         var plan = optimizedPlan("""
               FROM test
             | RENAME languages AS language_code
@@ -5913,6 +5916,8 @@ public void testLookupStats() {
      *     \_EsRelation[language_code][LOOKUP][language_code{f}#18, language_name{f}#19]
      */
     public void testLookupJoinPushDownFilterOnJoinKeyWithRename() {
+        assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V5.isEnabled());
+
         String query = """
               FROM test
             | RENAME languages AS language_code
@@ -5954,6 +5959,8 @@ public void testLookupJoinPushDownFilterOnJoinKeyWithRename() {
      *     \_EsRelation[language_code][LOOKUP][language_code{f}#18, language_name{f}#19]
      */
     public void testLookupJoinPushDownFilterOnLeftSideField() {
+        assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V5.isEnabled());
+
         String query = """
               FROM test
             | RENAME languages AS language_code
@@ -5996,6 +6003,8 @@ public void testLookupJoinPushDownFilterOnLeftSideField() {
      *       \_EsRelation[language_code][LOOKUP][language_code{f}#18, language_name{f}#19]
      */
     public void testLookupJoinPushDownDisabledForLookupField() {
+        assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V5.isEnabled());
+
         String query = """
               FROM test
             | RENAME languages AS language_code
@@ -6039,6 +6048,8 @@ public void testLookupJoinPushDownDisabledForLookupField() {
      *       \_EsRelation[language_code][LOOKUP][language_code{f}#19, language_name{f}#20]
      */
     public void testLookupJoinPushDownSeparatedForConjunctionBetweenLeftAndRightField() {
+        assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V5.isEnabled());
+
         String query = """
               FROM test
             | RENAME languages AS language_code
@@ -6090,6 +6101,8 @@ public void testLookupJoinPushDownSeparatedForConjunctionBetweenLeftAndRightFiel
      *       \_EsRelation[language_code][LOOKUP][language_code{f}#19, language_name{f}#20]
      */
     public void testLookupJoinPushDownDisabledForDisjunctionBetweenLeftAndRightField() {
+        assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V5.isEnabled());
+
         String query = """
               FROM test
             | RENAME languages AS language_code