diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index b63fdb9f9285..7a1e761ff3c8 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -1713,21 +1713,6 @@ pub fn LocalFree(hMem: HLOCAL) void {
     assert(kernel32.LocalFree(hMem) == null);
 }
 
-pub const GetFileInformationByHandleError = error{Unexpected};
-
-pub fn GetFileInformationByHandle(
-    hFile: HANDLE,
-) GetFileInformationByHandleError!BY_HANDLE_FILE_INFORMATION {
-    var info: BY_HANDLE_FILE_INFORMATION = undefined;
-    const rc = ntdll.GetFileInformationByHandle(hFile, &info);
-    if (rc == 0) {
-        switch (kernel32.GetLastError()) {
-            else => |err| return unexpectedError(err),
-        }
-    }
-    return info;
-}
-
 pub const SetFileTimeError = error{Unexpected};
 
 pub fn SetFileTime(
diff --git a/lib/std/os/windows/kernel32.zig b/lib/std/os/windows/kernel32.zig
index d3bfeaaf2c3b..796b01e95ac3 100644
--- a/lib/std/os/windows/kernel32.zig
+++ b/lib/std/os/windows/kernel32.zig
@@ -201,11 +201,6 @@ pub extern "kernel32" fn GetModuleHandleW(lpModuleName: ?[*:0]const WCHAR) callc
 pub extern "kernel32" fn GetLastError() callconv(WINAPI) Win32Error;
 pub extern "kernel32" fn SetLastError(dwErrCode: Win32Error) callconv(WINAPI) void;
 
-pub extern "kernel32" fn GetFileInformationByHandle(
-    hFile: HANDLE,
-    lpFileInformation: *BY_HANDLE_FILE_INFORMATION,
-) callconv(WINAPI) BOOL;
-
 pub extern "kernel32" fn GetFileInformationByHandleEx(
     in_hFile: HANDLE,
     in_FileInformationClass: FILE_INFO_BY_HANDLE_CLASS,