diff --git a/lib/std/os/windows.zig b/lib/std/os/windows.zig
index 8db9db03b8..8832b1add9 100644
--- a/lib/std/os/windows.zig
+++ b/lib/std/os/windows.zig
@@ -15,7 +15,6 @@ const math = std.math;
 const maxInt = std.math.maxInt;
 const UnexpectedError = std.posix.UnexpectedError;
 
-pub const advapi32 = @import("windows/advapi32.zig");
 pub const kernel32 = @import("windows/kernel32.zig");
 pub const ntdll = @import("windows/ntdll.zig");
 pub const ws2_32 = @import("windows/ws2_32.zig");
diff --git a/lib/std/os/windows/advapi32.zig b/lib/std/os/windows/advapi32.zig
deleted file mode 100644
index 90f16b1ec9..0000000000
--- a/lib/std/os/windows/advapi32.zig
+++ /dev/null
@@ -1,67 +0,0 @@
-const std = @import("../../std.zig");
-const windows = std.os.windows;
-const BOOL = windows.BOOL;
-const DWORD = windows.DWORD;
-const HKEY = windows.HKEY;
-const BYTE = windows.BYTE;
-const LPCWSTR = windows.LPCWSTR;
-const LSTATUS = windows.LSTATUS;
-const REGSAM = windows.REGSAM;
-const ULONG = windows.ULONG;
-
-pub extern "advapi32" fn RegOpenKeyExW(
-    hKey: HKEY,
-    lpSubKey: LPCWSTR,
-    ulOptions: DWORD,
-    samDesired: REGSAM,
-    phkResult: *HKEY,
-) callconv(.winapi) LSTATUS;
-
-pub extern "advapi32" fn RegQueryValueExW(
-    hKey: HKEY,
-    lpValueName: LPCWSTR,
-    lpReserved: ?*DWORD,
-    lpType: ?*DWORD,
-    lpData: ?*BYTE,
-    lpcbData: ?*DWORD,
-) callconv(.winapi) LSTATUS;
-
-pub extern "advapi32" fn RegCloseKey(hKey: HKEY) callconv(.winapi) LSTATUS;
-
-pub const RRF = struct {
-    pub const RT_ANY: DWORD = 0x0000ffff;
-
-    pub const RT_DWORD: DWORD = 0x00000018;
-    pub const RT_QWORD: DWORD = 0x00000048;
-
-    pub const RT_REG_BINARY: DWORD = 0x00000008;
-    pub const RT_REG_DWORD: DWORD = 0x00000010;
-    pub const RT_REG_EXPAND_SZ: DWORD = 0x00000004;
-    pub const RT_REG_MULTI_SZ: DWORD = 0x00000020;
-    pub const RT_REG_NONE: DWORD = 0x00000001;
-    pub const RT_REG_QWORD: DWORD = 0x00000040;
-    pub const RT_REG_SZ: DWORD = 0x00000002;
-
-    pub const NOEXPAND: DWORD = 0x10000000;
-    pub const ZEROONFAILURE: DWORD = 0x20000000;
-    pub const SUBKEY_WOW6464KEY: DWORD = 0x00010000;
-    pub const SUBKEY_WOW6432KEY: DWORD = 0x00020000;
-};
-
-pub extern "advapi32" fn RegGetValueW(
-    hkey: HKEY,
-    lpSubKey: LPCWSTR,
-    lpValue: LPCWSTR,
-    dwFlags: DWORD,
-    pdwType: ?*DWORD,
-    pvData: ?*anyopaque,
-    pcbData: ?*DWORD,
-) callconv(.winapi) LSTATUS;
-
-pub extern "advapi32" fn RegLoadAppKeyW(
-    lpFile: LPCWSTR,
-    phkResult: *HKEY,
-    samDesired: REGSAM,
-    dwOptions: DWORD,
-    reserved: DWORD,
-) callconv(.winapi) LSTATUS;