diff --git a/platform/diff-impl/src/com/intellij/diff/editor/DiffEditorProvider.kt b/platform/diff-impl/src/com/intellij/diff/editor/DiffEditorProvider.kt
index df3a1ad76e43..fc552b6bcadb 100644
--- a/platform/diff-impl/src/com/intellij/diff/editor/DiffEditorProvider.kt
+++ b/platform/diff-impl/src/com/intellij/diff/editor/DiffEditorProvider.kt
@@ -5,9 +5,11 @@ import com.intellij.diff.tools.combined.CombinedDiffComponentFactoryProvider
 import com.intellij.diff.tools.combined.CombinedDiffEditor
 import com.intellij.diff.tools.combined.CombinedDiffModelRepository
 import com.intellij.diff.tools.combined.CombinedDiffVirtualFile
+import com.intellij.ide.structureView.StructureViewBuilder
 import com.intellij.openapi.components.service
 import com.intellij.openapi.fileEditor.FileEditor
 import com.intellij.openapi.fileEditor.FileEditorPolicy
+import com.intellij.openapi.fileEditor.ex.StructureViewFileEditorProvider
 import com.intellij.openapi.fileEditor.impl.DefaultPlatformFileEditorProvider
 import com.intellij.openapi.project.DumbAware
 import com.intellij.openapi.project.Project
@@ -15,7 +17,7 @@ import com.intellij.openapi.util.Disposer
 import com.intellij.openapi.vfs.VirtualFile
 import org.jetbrains.annotations.NonNls
 
-class DiffEditorProvider : DefaultPlatformFileEditorProvider, DumbAware {
+class DiffEditorProvider : DefaultPlatformFileEditorProvider, StructureViewFileEditorProvider, DumbAware {
   companion object {
     @NonNls
     const val DIFF_EDITOR_PROVIDER_ID = "DiffEditor"
@@ -43,4 +45,5 @@ class DiffEditorProvider : DefaultPlatformFileEditorProvider, DumbAware {
 
   override fun getEditorTypeId(): String = DIFF_EDITOR_PROVIDER_ID
   override fun getPolicy(): FileEditorPolicy = FileEditorPolicy.NONE
+  override fun getStructureViewBuilder(project: Project, file: VirtualFile): StructureViewBuilder? = null
 }
diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/editor/VcsLogEditor.kt b/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/editor/VcsLogEditor.kt
index 776c14fe8357..ed07ded95ac5 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/editor/VcsLogEditor.kt
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/editor/VcsLogEditor.kt
@@ -4,9 +4,11 @@ package com.intellij.vcs.log.ui.editor
 import com.intellij.diff.util.FileEditorBase
 import com.intellij.icons.AllIcons
 import com.intellij.ide.FileIconProvider
+import com.intellij.ide.structureView.StructureViewBuilder
 import com.intellij.openapi.fileEditor.FileEditor
 import com.intellij.openapi.fileEditor.FileEditorPolicy
 import com.intellij.openapi.fileEditor.FileEditorProvider
+import com.intellij.openapi.fileEditor.ex.StructureViewFileEditorProvider
 import com.intellij.openapi.fileTypes.FileType
 import com.intellij.openapi.project.DumbAware
 import com.intellij.openapi.project.Project
@@ -56,7 +58,7 @@ class VcsLogEditor(private val project: Project, private val vcsLogFile: VcsLogF
   override fun getFile() = vcsLogFile
 }
 
-class VcsLogEditorProvider : FileEditorProvider, DumbAware {
+class VcsLogEditorProvider : FileEditorProvider, StructureViewFileEditorProvider, DumbAware {
   override fun accept(project: Project, file: VirtualFile): Boolean = file is VcsLogFile
 
   override fun createEditor(project: Project, file: VirtualFile): FileEditor {
@@ -65,6 +67,7 @@ class VcsLogEditorProvider : FileEditorProvider, DumbAware {
 
   override fun getEditorTypeId(): String = "VcsLogEditor"
   override fun getPolicy(): FileEditorPolicy = FileEditorPolicy.HIDE_DEFAULT_EDITOR
+  override fun getStructureViewBuilder(project: Project, file: VirtualFile): StructureViewBuilder? = null
 
   override fun disposeEditor(editor: FileEditor) {
     editor.disposeLogUis()