diff --git a/client/trino-jdbc/src/main/java/io/trino/jdbc/TrinoStatement.java b/client/trino-jdbc/src/main/java/io/trino/jdbc/TrinoStatement.java
index 9cf4caba2de2..95cd63729fae 100644
--- a/client/trino-jdbc/src/main/java/io/trino/jdbc/TrinoStatement.java
+++ b/client/trino-jdbc/src/main/java/io/trino/jdbc/TrinoStatement.java
@@ -43,7 +43,6 @@ public class TrinoStatement
     private final AtomicLong maxRows = new AtomicLong();
     private final AtomicInteger queryTimeoutSeconds = new AtomicInteger();
     private final AtomicInteger fetchSize = new AtomicInteger();
-    private final AtomicBoolean escapeProcessing = new AtomicBoolean(true);
     private final AtomicBoolean closeOnCompletion = new AtomicBoolean();
     private final AtomicReference<TrinoConnection> connection;
     private final Consumer<TrinoStatement> onClose;
@@ -161,7 +160,8 @@ public void setEscapeProcessing(boolean enable)
             throws SQLException
     {
         checkOpen();
-        escapeProcessing.set(enable);
+        // Escape processing is not implemented. JDBC mandates that escapes processing is enabled by default,
+        // so throwing here doesn't make sense.
     }
 
     @Override
diff --git a/core/trino-main/src/main/java/io/trino/server/PluginManager.java b/core/trino-main/src/main/java/io/trino/server/PluginManager.java
index 55f6aa567913..02975121bd56 100644
--- a/core/trino-main/src/main/java/io/trino/server/PluginManager.java
+++ b/core/trino-main/src/main/java/io/trino/server/PluginManager.java
@@ -91,7 +91,6 @@ public class PluginManager
     private final BlockEncodingManager blockEncodingManager;
     private final HandleResolver handleResolver;
     private final AtomicBoolean pluginsLoading = new AtomicBoolean();
-    private final AtomicBoolean pluginsLoaded = new AtomicBoolean();
 
     @Inject
     public PluginManager(
@@ -137,8 +136,6 @@ public void loadPlugins()
         pluginsProvider.loadPlugins(this::loadPlugin, PluginManager::createClassLoader);
 
         typeRegistry.verifyTypes();
-
-        pluginsLoaded.set(true);
     }
 
     private void loadPlugin(String plugin, Supplier<PluginClassLoader> createClassLoader)
diff --git a/plugin/trino-raptor-legacy/src/main/java/io/trino/plugin/raptor/legacy/storage/organization/ShardCompactionManager.java b/plugin/trino-raptor-legacy/src/main/java/io/trino/plugin/raptor/legacy/storage/organization/ShardCompactionManager.java
index 3f144bf5576e..8b5e37af19ef 100644
--- a/plugin/trino-raptor-legacy/src/main/java/io/trino/plugin/raptor/legacy/storage/organization/ShardCompactionManager.java
+++ b/plugin/trino-raptor-legacy/src/main/java/io/trino/plugin/raptor/legacy/storage/organization/ShardCompactionManager.java
@@ -64,7 +64,6 @@ public class ShardCompactionManager
     private final ScheduledExecutorService compactionDiscoveryService = newScheduledThreadPool(1, daemonThreadsNamed("shard-compaction-discovery"));
 
     private final AtomicBoolean discoveryStarted = new AtomicBoolean();
-    private final AtomicBoolean shutdown = new AtomicBoolean();
 
     private final MetadataDao metadataDao;
     private final ShardOrganizer organizer;
@@ -141,7 +140,6 @@ public void shutdown()
         if (!compactionEnabled) {
             return;
         }
-        shutdown.set(true);
         compactionDiscoveryService.shutdown();
     }
 
diff --git a/plugin/trino-resource-group-managers/src/test/java/io/trino/plugin/resourcegroups/db/TestDbResourceGroupConfigurationManager.java b/plugin/trino-resource-group-managers/src/test/java/io/trino/plugin/resourcegroups/db/TestDbResourceGroupConfigurationManager.java
index 3c24a7fd123e..6d35b321794f 100644
--- a/plugin/trino-resource-group-managers/src/test/java/io/trino/plugin/resourcegroups/db/TestDbResourceGroupConfigurationManager.java
+++ b/plugin/trino-resource-group-managers/src/test/java/io/trino/plugin/resourcegroups/db/TestDbResourceGroupConfigurationManager.java
@@ -35,7 +35,6 @@
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.ThreadLocalRandom;
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.regex.Pattern;
 
 import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
@@ -115,11 +114,9 @@ public void testConfiguration()
         dao.insertResourceGroup(2, "sub", "2MB", 4, 3, 3, null, 5, null, null, null, 1L, ENVIRONMENT);
         dao.insertSelector(2, 1, null, null, null, null, null, null);
         DbResourceGroupConfigurationManager manager = new DbResourceGroupConfigurationManager(listener -> {}, new DbResourceGroupConfig(), daoProvider.get(), ENVIRONMENT);
-        AtomicBoolean exported = new AtomicBoolean();
-        InternalResourceGroup global = new InternalResourceGroup("global", (group, export) -> exported.set(export), directExecutor());
+        InternalResourceGroup global = new InternalResourceGroup("global", (group, export) -> {}, directExecutor());
         manager.configure(global, new SelectionContext<>(global.getId(), new ResourceGroupIdTemplate("global")));
         assertEqualsResourceGroup(global, "1MB", 1000, 100, 100, WEIGHTED, DEFAULT_WEIGHT, true, Duration.ofHours(1), Duration.ofDays(1));
-        exported.set(false);
         InternalResourceGroup sub = global.getOrCreateSubGroup("sub");
         manager.configure(sub, new SelectionContext<>(sub.getId(), new ResourceGroupIdTemplate("global.sub")));
         assertEqualsResourceGroup(sub, "2MB", 4, 3, 3, FAIR, 5, false, Duration.ofMillis(Long.MAX_VALUE), Duration.ofMillis(Long.MAX_VALUE));
@@ -195,8 +192,7 @@ public void testReconfig()
         dao.insertResourceGroupsGlobalProperties("cpu_quota_period", "1h");
         DbResourceGroupConfigurationManager manager = new DbResourceGroupConfigurationManager(listener -> {}, new DbResourceGroupConfig(), daoProvider.get(), ENVIRONMENT);
         manager.start();
-        AtomicBoolean exported = new AtomicBoolean();
-        InternalResourceGroup global = new InternalResourceGroup("global", (group, export) -> exported.set(export), directExecutor());
+        InternalResourceGroup global = new InternalResourceGroup("global", (group, export) -> {}, directExecutor());
         manager.configure(global, new SelectionContext<>(global.getId(), new ResourceGroupIdTemplate("global")));
         InternalResourceGroup globalSub = global.getOrCreateSubGroup("sub");
         manager.configure(globalSub, new SelectionContext<>(globalSub.getId(), new ResourceGroupIdTemplate("global.sub")));