diff --git a/java/com/google/gerrit/server/config/PluginConfigFactory.java b/java/com/google/gerrit/server/config/PluginConfigFactory.java
index 2d0f9a5..c49e928 100644
--- a/java/com/google/gerrit/server/config/PluginConfigFactory.java
+++ b/java/com/google/gerrit/server/config/PluginConfigFactory.java
@@ -28,13 +28,11 @@
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.google.inject.Singleton;
-import java.io.File;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.Map;
 import org.eclipse.jgit.errors.ConfigInvalidException;
-import org.eclipse.jgit.internal.storage.file.FileSnapshot;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.storage.file.FileBasedConfig;
 import org.eclipse.jgit.util.FS;
@@ -52,7 +50,6 @@
   private final SecureStore secureStore;
   private final Map<String, Config> pluginConfigs;
 
-  private volatile FileSnapshot cfgSnapshot;
   private volatile Config cfg;
 
   @Inject
@@ -69,7 +66,6 @@
     this.secureStore = secureStore;
 
     this.pluginConfigs = new HashMap<>();
-    this.cfgSnapshot = FileSnapshot.save(site.gerrit_config.toFile());
     this.cfg = cfgProvider.get();
   }
 
@@ -103,12 +99,10 @@
    * @return the plugin configuration from the 'gerrit.config' file
    */
   public PluginConfig getFromGerritConfig(String pluginName, boolean refresh) {
-    if (refresh && secureStore.isOutdated()) {
-      secureStore.reload();
-    }
-    File configFile = site.gerrit_config.toFile();
-    if (refresh && cfgSnapshot.isModified(configFile)) {
-      cfgSnapshot = FileSnapshot.save(configFile);
+    if (refresh) {
+      if (secureStore.isOutdated()) {
+        secureStore.reload();
+      }
       cfg = cfgProvider.get();
     }
     return PluginConfig.createFromGerritConfig(pluginName, cfg);
diff --git a/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java b/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java
index d091ae1..9e51054 100644
--- a/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/accounts/AccountIT.java
@@ -47,8 +47,8 @@
 import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
 import static org.mockito.Mockito.verifyNoMoreInteractions;
-import static org.mockito.Mockito.verifyZeroInteractions;
 
 import com.github.rholder.retry.StopStrategies;
 import com.google.common.collect.FluentIterable;
@@ -686,7 +686,7 @@
               () -> gApi.accounts().id(activatableAccountId.get()).setActive(false));
       assertThat(thrown).hasMessageThat().isEqualTo("account not active");
       assertThat(accountOperations.account(activatableAccountId).get().active()).isFalse();
-      verifyZeroInteractions(listener);
+      verifyNoInteractions(listener);
 
       // Activate account that can be activated
       gApi.accounts().id(activatableAccountId.get()).setActive(true);
@@ -697,7 +697,7 @@
       // Activate account that is already active
       gApi.accounts().id(activatableAccountId.get()).setActive(true);
       assertThat(accountOperations.account(activatableAccountId).get().active()).isTrue();
-      verifyZeroInteractions(listener);
+      verifyNoMoreInteractions(listener);
 
       // Try deactivating account that cannot be deactivated
       thrown =
@@ -706,13 +706,13 @@
               () -> gApi.accounts().id(activatableAccountId.get()).setActive(false));
       assertThat(thrown).hasMessageThat().isEqualTo("not allowed to deactive account");
       assertThat(accountOperations.account(activatableAccountId).get().active()).isTrue();
-      verifyZeroInteractions(listener);
+      verifyNoMoreInteractions(listener);
 
       /* Test account that can be deactivated, but not activated */
       // Activate account that is already inactive
       gApi.accounts().id(deactivatableAccountId.get()).setActive(true);
       assertThat(accountOperations.account(deactivatableAccountId).get().active()).isTrue();
-      verifyZeroInteractions(listener);
+      verifyNoMoreInteractions(listener);
 
       // Deactivate account that can be deactivated
       gApi.accounts().id(deactivatableAccountId.get()).setActive(false);
@@ -727,7 +727,7 @@
               () -> gApi.accounts().id(deactivatableAccountId.get()).setActive(false));
       assertThat(thrown).hasMessageThat().isEqualTo("account not active");
       assertThat(accountOperations.account(deactivatableAccountId).get().active()).isFalse();
-      verifyZeroInteractions(listener);
+      verifyNoMoreInteractions(listener);
 
       // Try activating account that cannot be activated
       thrown =
@@ -736,7 +736,7 @@
               () -> gApi.accounts().id(deactivatableAccountId.get()).setActive(true));
       assertThat(thrown).hasMessageThat().isEqualTo("not allowed to active account");
       assertThat(accountOperations.account(deactivatableAccountId).get().active()).isFalse();
-      verifyZeroInteractions(listener);
+      verifyNoMoreInteractions(listener);
     }
   }
 
diff --git a/javatests/com/google/gerrit/acceptance/git/RefAdvertisementIT.java b/javatests/com/google/gerrit/acceptance/git/RefAdvertisementIT.java
index 16ccc35..92770ba 100644
--- a/javatests/com/google/gerrit/acceptance/git/RefAdvertisementIT.java
+++ b/javatests/com/google/gerrit/acceptance/git/RefAdvertisementIT.java
@@ -51,7 +51,6 @@
 import com.google.gerrit.server.config.AllUsersName;
 import com.google.gerrit.server.git.receive.ReceiveCommitsAdvertiseRefsHookChain;
 import com.google.gerrit.server.git.receive.testing.TestRefAdvertiser;
-import com.google.gerrit.server.notedb.ChangeNoteUtil;
 import com.google.gerrit.server.notedb.Sequences;
 import com.google.gerrit.server.permissions.PermissionBackend;
 import com.google.gerrit.server.permissions.PermissionBackend.RefFilterOptions;
@@ -80,7 +79,6 @@
 @NoHttpd
 public class RefAdvertisementIT extends AbstractDaemonTest {
   @Inject private AllUsersName allUsersName;
-  @Inject private ChangeNoteUtil noteUtil;
   @Inject private PermissionBackend permissionBackend;
   @Inject private ProjectOperations projectOperations;
   @Inject private RequestScopeOperations requestScopeOperations;
diff --git a/javatests/com/google/gerrit/acceptance/rest/TraceIT.java b/javatests/com/google/gerrit/acceptance/rest/TraceIT.java
index 4b780f8..530f2ec 100644
--- a/javatests/com/google/gerrit/acceptance/rest/TraceIT.java
+++ b/javatests/com/google/gerrit/acceptance/rest/TraceIT.java
@@ -24,7 +24,7 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoInteractions;
 
 import com.google.auto.value.AutoValue;
 import com.google.common.collect.ImmutableList;
@@ -409,7 +409,7 @@
       PushOneCommit.Result r = push.to("refs/heads/master");
       r.assertOkStatus();
 
-      verifyZeroInteractions(testPerformanceLogger);
+      verifyNoInteractions(testPerformanceLogger);
     }
   }
 
diff --git a/javatests/com/google/gerrit/server/account/externalids/ExternalIDCacheLoaderTest.java b/javatests/com/google/gerrit/server/account/externalids/ExternalIDCacheLoaderTest.java
index 2f64ed0..2b80601 100644
--- a/javatests/com/google/gerrit/server/account/externalids/ExternalIDCacheLoaderTest.java
+++ b/javatests/com/google/gerrit/server/account/externalids/ExternalIDCacheLoaderTest.java
@@ -17,7 +17,7 @@
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoInteractions;
 
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
@@ -80,7 +80,7 @@
     externalIdCache.put(firstState, allFromGit(firstState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   @Test
@@ -92,7 +92,7 @@
     externalIdCache.put(firstState, allFromGit(firstState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   @Test
@@ -142,7 +142,7 @@
     externalIdCache.put(firstState, allFromGit(firstState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   @Test
@@ -156,7 +156,7 @@
     externalIdCache.put(firstState, allFromGit(firstState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   @Test
@@ -173,7 +173,7 @@
     externalIdCache.put(firstState, allFromGit(firstState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   @Test
@@ -186,7 +186,7 @@
     externalIdCache.put(oldState, allFromGit(oldState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   @Test
@@ -200,7 +200,7 @@
     externalIdCache.put(oldState, allFromGit(oldState));
 
     assertThat(loader.load(head)).isEqualTo(allFromGit(head));
-    verifyZeroInteractions(externalIdReaderSpy);
+    verifyNoInteractions(externalIdReaderSpy);
   }
 
   private ExternalIdCacheLoader createLoader(boolean allowPartial) {
diff --git a/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java b/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java
index f10a281..5980071 100644
--- a/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java
+++ b/javatests/com/google/gerrit/server/mail/send/FromAddressGeneratorProviderTest.java
@@ -18,7 +18,7 @@
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyZeroInteractions;
+import static org.mockito.Mockito.verifyNoInteractions;
 import static org.mockito.Mockito.when;
 
 import com.google.gerrit.entities.Account;
@@ -125,7 +125,7 @@
     assertThat(r).isNotNull();
     assertThat(r.name()).isEqualTo(ident.getName());
     assertThat(r.email()).isEqualTo(ident.getEmailAddress());
-    verifyZeroInteractions(accountCache);
+    verifyNoInteractions(accountCache);
   }
 
   @Test
@@ -229,7 +229,7 @@
     assertThat(r).isNotNull();
     assertThat(r.name()).isEqualTo(ident.getName());
     assertThat(r.email()).isEqualTo(ident.getEmailAddress());
-    verifyZeroInteractions(accountCache);
+    verifyNoInteractions(accountCache);
   }
 
   @Test
@@ -239,7 +239,7 @@
     assertThat(r).isNotNull();
     assertThat(r.name()).isEqualTo(ident.getName());
     assertThat(r.email()).isEqualTo(ident.getEmailAddress());
-    verifyZeroInteractions(accountCache);
+    verifyNoInteractions(accountCache);
   }
 
   @Test
@@ -304,7 +304,7 @@
     assertThat(r).isNotNull();
     assertThat(r.name()).isEqualTo(ident.getName());
     assertThat(r.email()).isEqualTo(ident.getEmailAddress());
-    verifyZeroInteractions(accountCache);
+    verifyNoInteractions(accountCache);
   }
 
   @Test