diff --git a/base/src/com/google/idea/blaze/base/qsync/QuerySyncProject.java b/base/src/com/google/idea/blaze/base/qsync/QuerySyncProject.java
index 3a0485b57b3..09de165e64e 100644
--- a/base/src/com/google/idea/blaze/base/qsync/QuerySyncProject.java
+++ b/base/src/com/google/idea/blaze/base/qsync/QuerySyncProject.java
@@ -28,7 +28,6 @@
 import com.google.idea.blaze.base.projectview.ProjectViewSet;
 import com.google.idea.blaze.base.projectview.section.Glob;
 import com.google.idea.blaze.base.projectview.section.sections.TestSourceSection;
-import com.google.idea.blaze.base.qsync.settings.QuerySyncSettings;
 import com.google.idea.blaze.base.scope.BlazeContext;
 import com.google.idea.blaze.base.settings.BlazeImportSettings;
 import com.google.idea.blaze.base.sync.SyncListener;
@@ -335,9 +334,6 @@ public DependencyTracker getDependencyTracker() {
   public void enableAnalysis(BlazeContext context, Set<Label> projectTargets)
       throws BuildException {
     try {
-      if (QuerySyncSettings.getInstance().syncBeforeBuild()) {
-        syncWithCurrentSnapshot(context);
-      }
       context.output(
           PrintOutput.output(
               "Building dependencies for:\n  " + Joiner.on("\n  ").join(projectTargets)));
diff --git a/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncConfigurable.java b/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncConfigurable.java
index 9a0a000487d..b5c9aae5f24 100644
--- a/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncConfigurable.java
+++ b/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncConfigurable.java
@@ -16,7 +16,6 @@
 package com.google.idea.blaze.base.qsync.settings;
 
 import com.google.idea.blaze.base.qsync.QuerySync;
-import com.google.idea.common.experiments.BoolExperiment;
 import com.intellij.openapi.options.BoundSearchableConfigurable;
 import com.intellij.openapi.options.Configurable;
 import com.intellij.openapi.ui.DialogPanel;
@@ -36,9 +35,6 @@
 /** A configuration page for the settings dialog for query sync. */
 class QuerySyncConfigurable extends BoundSearchableConfigurable implements Configurable {
 
-  private static final BoolExperiment LEGACY_SYNC_BEFORE_BUILD =
-      new BoolExperiment("query.sync.before.build", false);
-
   private final QuerySyncSettings settings = QuerySyncSettings.getInstance();
 
   // Provides access to enableQuerySyncCheckBoxCell for other rows
@@ -54,7 +50,6 @@ public DialogPanel createPanel() {
         p -> {
           boolean enabledByExperimentFile =
               QuerySync.useByDefault() ? false : QuerySync.isLegacyExperimentEnabled();
-          boolean syncBeforeBuildExperiment = LEGACY_SYNC_BEFORE_BUILD.getValue();
           // Enable query sync checkbox
           Row unusedEnableQuerySyncRow =
               p.row(
@@ -129,46 +124,6 @@ public void set(Boolean selected) {
                                       .enabledIf(ButtonKt.getSelected(enableQuerySyncCheckBoxCell));
                               return Unit.INSTANCE;
                             });
-                    Row unusedSyncBeforeBuildOptionRow =
-                        ip.row(
-                            /* label= */ ((JLabel) null),
-                            /* init= */ r -> {
-                              Cell<JBCheckBox> syncBeforeBuildCheckBox =
-                                  r.checkBox("Sync automatically before building dependencies")
-                                      .bind(
-                                          /* componentGet= */ AbstractButton::isSelected,
-                                          /* componentSet= */ (jbCheckBox, selected) -> {
-                                            jbCheckBox.setSelected(selected);
-                                            return Unit.INSTANCE;
-                                          },
-                                          /* prop= */ new MutableProperty<Boolean>() {
-                                            @Override
-                                            public Boolean get() {
-                                              return settings.syncBeforeBuild()
-                                                  || syncBeforeBuildExperiment;
-                                            }
-
-                                            @Override
-                                            public void set(Boolean selected) {
-                                              settings.enableSyncBeforeBuild(selected);
-                                            }
-                                          });
-                              if (!syncBeforeBuildExperiment) {
-                                syncBeforeBuildCheckBox =
-                                    syncBeforeBuildCheckBox.enabledIf(
-                                        ButtonKt.getSelected(enableQuerySyncCheckBoxCell));
-                              } else {
-                                syncBeforeBuildCheckBox =
-                                    syncBeforeBuildCheckBox
-                                        .enabled(false)
-                                        .comment(
-                                            "This feature is forcefully enabled by the old flag"
-                                                + " from the .intellij-experiments file. ",
-                                            UtilsKt.DEFAULT_COMMENT_WIDTH,
-                                            HyperlinkEventAction.HTML_HYPERLINK_INSTANCE);
-                              }
-                              return Unit.INSTANCE;
-                            });
                     Row unusedBuildWorkingSetRow =
                         ip.row(
                             /* label= */ ((JLabel) null),
diff --git a/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncSettings.java b/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncSettings.java
index 0b091df5aaa..96fcd35f8ea 100644
--- a/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncSettings.java
+++ b/base/src/com/google/idea/blaze/base/qsync/settings/QuerySyncSettings.java
@@ -40,8 +40,6 @@ static class State {
 
     public boolean showDetailedInformationInEditor = true;
 
-    public boolean syncBeforeBuild = false;
-
     public boolean buildWorkingSet = false;
 
     public boolean syncOnFileChanges = false;
@@ -82,14 +80,6 @@ public boolean showDetailedInformationInEditor() {
     return state.showDetailedInformationInEditor;
   }
 
-  public void enableSyncBeforeBuild(boolean syncBeforeBuild) {
-    state.syncBeforeBuild = syncBeforeBuild;
-  }
-
-  public boolean syncBeforeBuild() {
-    return state.syncBeforeBuild;
-  }
-
   public void enableBuildWorkingSet(boolean buildWorkingSet) {
     state.buildWorkingSet = buildWorkingSet;
   }
@@ -149,7 +139,6 @@ public ImmutableMap<String, String> getApplicationSettings() {
       builder.put(
           "showDetailedInformationInEditor",
           Boolean.toString(settings.showDetailedInformationInEditor()));
-      builder.put("syncBeforeBuild", Boolean.toString(settings.syncBeforeBuild()));
       builder.put("buildWorkingSet", Boolean.toString(settings.buildWorkingSet()));
       builder.put("syncOnFileChanges", Boolean.toString(settings.syncOnFileChanges()));
       return builder.buildOrThrow();