diff --git a/src/calibre/utils/windows/winspeech.cpp b/src/calibre/utils/windows/winspeech.cpp
index 78f5f6639c..31561a9e25 100644
--- a/src/calibre/utils/windows/winspeech.cpp
+++ b/src/calibre/utils/windows/winspeech.cpp
@@ -6,19 +6,10 @@
  */
 #include "common.h"
 
-#include <algorithm>
 #include <atomic>
 #include <filesystem>
-#include <array>
-#include <string>
 #include <string_view>
-#include <vector>
-#include <map>
-#include <deque>
-#include <charconv>
-#include <memory>
 #include <fstream>
-#include <sstream>
 #include <mutex>
 #include <filesystem>
 #include <functional>