diff --git a/clang-tools-extra/clangd/ClangdServer.h b/clang-tools-extra/clangd/ClangdServer.h
--- a/clang-tools-extra/clangd/ClangdServer.h
+++ b/clang-tools-extra/clangd/ClangdServer.h
@@ -243,6 +243,10 @@
   void findHover(PathRef File, Position Pos,
                  Callback<llvm::Optional<HoverInfo>> CB);
 
+  /// Get information about unused includes.
+  void findUnusedIncludes(PathRef File,
+                          Callback<std::vector<const Inclusion *>> CB);
+
   /// Get information about type hierarchy for a given position.
   void typeHierarchy(PathRef File, Position Pos, int Resolve,
                      TypeHierarchyDirection Direction,
diff --git a/clang-tools-extra/clangd/ClangdServer.cpp b/clang-tools-extra/clangd/ClangdServer.cpp
--- a/clang-tools-extra/clangd/ClangdServer.cpp
+++ b/clang-tools-extra/clangd/ClangdServer.cpp
@@ -14,6 +14,7 @@
 #include "FindSymbols.h"
 #include "Format.h"
 #include "HeaderSourceSwitch.h"
+#include "IncludeCleaner.h"
 #include "InlayHints.h"
 #include "ParsedAST.h"
 #include "Preamble.h"
@@ -715,6 +716,19 @@
   WorkScheduler->runWithAST("Hover", File, std::move(Action), Transient);
 }
 
+void ClangdServer::findUnusedIncludes(
+    PathRef File, Callback<std::vector<const Inclusion *>> CB) {
+  auto Action = [File = File.str(), CB = std::move(CB)](
+                    llvm::Expected<InputsAndAST> InpAST) mutable {
+    if (!InpAST)
+      return CB(InpAST.takeError());
+    CB(clangd::computeUnusedIncludes(InpAST->AST));
+  };
+
+  WorkScheduler->runWithAST("UnusedIncludes", File, std::move(Action),
+                            Transient);
+}
+
 void ClangdServer::typeHierarchy(PathRef File, Position Pos, int Resolve,
                                  TypeHierarchyDirection Direction,
                                  Callback<Optional<TypeHierarchyItem>> CB) {