diff --git a/CMakeLists.txt b/CMakeLists.txt
index 709fffd28..f66d55c20 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -283,7 +283,6 @@ target_sources(cquery PRIVATE
                src/recorder.cc
                src/semantic_highlight_symbol_cache.cc
                src/serializer.cc
-               src/standard_includes.cc
                src/task.cc
                src/test.cc
                src/third_party_impl.cc
diff --git a/src/include_complete.cc b/src/include_complete.cc
index e6296e1c5..951c0765e 100644
--- a/src/include_complete.cc
+++ b/src/include_complete.cc
@@ -3,7 +3,6 @@
 #include "match.h"
 #include "platform.h"
 #include "project.h"
-#include "standard_includes.h"
 #include "timer.h"
 #include "work_thread.h"
 
@@ -119,7 +118,6 @@ void IncludeComplete::Rescan() {
   WorkThread::StartThread("scan_includes", [this]() {
     Timer timer;
 
-    InsertStlIncludes();
     InsertIncludesFromDirectory(g_config->projectRoot,
                                 false /*use_angle_brackets*/);
     for (const Directory& dir : project_->quote_include_directories)
@@ -206,14 +204,6 @@ void IncludeComplete::InsertIncludesFromDirectory(std::string directory0,
                          std::move(result.completion_item));
 }
 
-void IncludeComplete::InsertStlIncludes() {
-  std::lock_guard<std::mutex> lock(completion_items_mutex);
-  for (const char* stl_header : kStandardLibraryIncludes) {
-    completion_items.push_back(BuildCompletionItem(
-        stl_header, true /*use_angle_brackets*/, true /*is_stl*/));
-  }
-}
-
 optional<lsCompletionItem> IncludeComplete::FindCompletionItemForAbsolutePath(
     const std::string& absolute_path) {
   std::lock_guard<std::mutex> lock(completion_items_mutex);
diff --git a/src/standard_includes.cc b/src/standard_includes.cc
deleted file mode 100644
index 42cc35b3f..000000000
--- a/src/standard_includes.cc
+++ /dev/null
@@ -1,182 +0,0 @@
-#include "standard_includes.h"
-
-// See http://stackoverflow.com/a/2029106.
-const char* kStandardLibraryIncludes[177] = {
-    "aio.h",
-    "algorithm",
-    "any",
-    "arpa/inet.h",
-    "array",
-    "assert.h",
-    "atomic",
-    "bitset",
-    "cassert",
-    "ccomplex",
-    "cctype",
-    "cerrno",
-    "cfenv",
-    "cfloat",
-    "chrono",
-    "cinttypes",
-    "ciso646",
-    "climits",
-    "clocale",
-    "cmath",
-    "codecvt",
-    "complex",
-    "complex.h",
-    "condition_variable",
-    "cpio.h",
-    "csetjmp",
-    "csignal",
-    "cstdalign",
-    "cstdarg",
-    "cstdbool",
-    "cstddef",
-    "cstdint",
-    "cstdio",
-    "cstdlib",
-    "cstring",
-    "ctgmath",
-    "ctime",
-    "ctype.h",
-    "cuchar",
-    "curses.h",
-    "cwchar",
-    "cwctype",
-    "deque",
-    "dirent.h",
-    "dlfcn.h",
-    "errno.h",
-    "exception",
-    "execution",
-    "fcntl.h",
-    "fenv.h",
-    "filesystem",
-    "float.h",
-    "fmtmsg.h",
-    "fnmatch.h",
-    "forward_list",
-    "fstream",
-    "ftw.h",
-    "functional",
-    "future",
-    "glob.h",
-    "grp.h",
-    "iconv.h",
-    "initializer_list",
-    "inttypes.h",
-    "iomanip",
-    "ios",
-    "iosfwd",
-    "iostream",
-    "iso646.h",
-    "istream",
-    "iterator",
-    "langinfo.h",
-    "libgen.h",
-    "limits",
-    "limits.h",
-    "list",
-    "locale",
-    "locale.h",
-    "map",
-    "math.h",
-    "memory",
-    "memory_resource",
-    "monetary.h",
-    "mqueue.h",
-    "mutex",
-    "ndbm.h",
-    "net/if.h",
-    "netdb.h",
-    "netinet/in.h",
-    "netinet/tcp.h",
-    "new",
-    "nl_types.h",
-    "numeric",
-    "optional",
-    "ostream",
-    "poll.h",
-    "pthread.h",
-    "pwd.h",
-    "queue",
-    "random",
-    "ratio",
-    "regex",
-    "regex.h",
-    "sched.h",
-    "scoped_allocator",
-    "search.h",
-    "semaphore.h",
-    "set",
-    "setjmp.h",
-    "shared_mutex",
-    "signal.h",
-    "spawn.h",
-    "sstream",
-    "stack",
-    "stdalign.h",
-    "stdarg.h",
-    "stdatomic.h",
-    "stdbool.h",
-    "stddef.h",
-    "stdexcept",
-    "stdint.h",
-    "stdio.h",
-    "stdlib.h",
-    "stdnoreturn.h",
-    "streambuf",
-    "string",
-    "string.h",
-    "string_view",
-    "strings.h",
-    "stropts.h",
-    "strstream",
-    "sys/ipc.h",
-    "sys/mman.h",
-    "sys/msg.h",
-    "sys/resource.h",
-    "sys/select.h",
-    "sys/sem.h",
-    "sys/shm.h",
-    "sys/socket.h",
-    "sys/stat.h",
-    "sys/statvfs.h",
-    "sys/time.h",
-    "sys/times.h",
-    "sys/types.h",
-    "sys/uio.h",
-    "sys/un.h",
-    "sys/utsname.h",
-    "sys/wait.h",
-    "syslog.h",
-    "system_error",
-    "tar.h",
-    "term.h",
-    "termios.h",
-    "tgmath.h",
-    "thread",
-    "threads.h",
-    "time.h",
-    "trace.h",
-    "tuple",
-    "type_traits",
-    "typeindex",
-    "typeinfo",
-    "uchar.h",
-    "ulimit.h",
-    "uncntrl.h",
-    "unistd.h",
-    "unordered_map",
-    "unordered_set",
-    "utility",
-    "utime.h",
-    "utmpx.h",
-    "valarray",
-    "variant",
-    "vector",
-    "wchar.h",
-    "wctype.h",
-    "wordexp.h",
-};
\ No newline at end of file
diff --git a/src/standard_includes.h b/src/standard_includes.h
deleted file mode 100644
index 6c50227d1..000000000
--- a/src/standard_includes.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#pragma once
-
-// A set of standard libary header names, ie, "vector".
-extern const char* kStandardLibraryIncludes[177];
\ No newline at end of file