diff --git a/libs/sysaudio/src/coreaudio.zig b/libs/sysaudio/src/coreaudio.zig
index 96f98dca..2153a5d9 100644
--- a/libs/sysaudio/src/coreaudio.zig
+++ b/libs/sysaudio/src/coreaudio.zig
@@ -334,7 +334,7 @@ pub const Player = struct {
         _ = bus_number;
         _ = frames_left;
 
-        const self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), self_opaque.?)));
+        const self = @as(*Player, @ptrCast(@alignCast(self_opaque.?)));
 
         for (self.channels, 0..) |*ch, i| {
             ch.ptr = @as([*]u8, @ptrCast(buf.*.mBuffers[0].mData.?)) + self.format.frameSize(i);
diff --git a/libs/sysaudio/src/jack.zig b/libs/sysaudio/src/jack.zig
index d23911fc..3da422c3 100644
--- a/libs/sysaudio/src/jack.zig
+++ b/libs/sysaudio/src/jack.zig
@@ -174,18 +174,18 @@ pub const Context = struct {
     }
 
     fn sampleRateCallback(_: c.jack_nframes_t, arg: ?*anyopaque) callconv(.C) c_int {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), arg.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(arg.?)));
         self.watcher.?.deviceChangeFn(self.watcher.?.user_data);
         return 0;
     }
 
     fn portRegistrationCallback(_: c.jack_port_id_t, _: c_int, arg: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), arg.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(arg.?)));
         self.watcher.?.deviceChangeFn(self.watcher.?.user_data);
     }
 
     fn portRenameCalllback(_: c.jack_port_id_t, _: [*c]const u8, _: [*c]const u8, arg: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), arg.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(arg.?)));
         self.watcher.?.deviceChangeFn(self.watcher.?.user_data);
     }
 
@@ -266,7 +266,7 @@ pub const Player = struct {
     }
 
     fn processCallback(n_frames: c.jack_nframes_t, self_opaque: ?*anyopaque) callconv(.C) c_int {
-        const self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), self_opaque.?)));
+        const self = @as(*Player, @ptrCast(@alignCast(self_opaque.?)));
 
         for (self.channels, 0..) |*ch, i| {
             ch.*.ptr = @as([*]u8, @ptrCast(lib.jack_port_get_buffer(self.ports[i], n_frames)));
diff --git a/libs/sysaudio/src/pipewire.zig b/libs/sysaudio/src/pipewire.zig
index 0c841cb0..4e78101f 100644
--- a/libs/sysaudio/src/pipewire.zig
+++ b/libs/sysaudio/src/pipewire.zig
@@ -289,7 +289,7 @@ pub const Player = struct {
         _ = old_state;
         _ = err;
 
-        var self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), self_opaque.?)));
+        var self = @as(*Player, @ptrCast(@alignCast(self_opaque.?)));
 
         if (state == c.PW_STREAM_STATE_STREAMING or state == c.PW_STREAM_STATE_ERROR) {
             lib.pw_thread_loop_signal(self.thread, false);
@@ -297,7 +297,7 @@ pub const Player = struct {
     }
 
     pub fn processCb(self_opaque: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), self_opaque.?)));
+        var self = @as(*Player, @ptrCast(@alignCast(self_opaque.?)));
 
         const buf = lib.pw_stream_dequeue_buffer(self.stream) orelse unreachable;
         if (buf.*.buffer.*.datas[0].data == null) return;
diff --git a/libs/sysaudio/src/pulseaudio.zig b/libs/sysaudio/src/pulseaudio.zig
index 8aee2e14..19fa2b61 100644
--- a/libs/sysaudio/src/pulseaudio.zig
+++ b/libs/sysaudio/src/pulseaudio.zig
@@ -192,12 +192,12 @@ pub const Context = struct {
     }
 
     fn subscribeOp(_: ?*c.pa_context, _: c.pa_subscription_event_type_t, _: u32, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), user_data.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(user_data.?)));
         self.watcher.?.deviceChangeFn(self.watcher.?.user_data);
     }
 
     fn contextStateOp(ctx: ?*c.pa_context, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), user_data.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(user_data.?)));
 
         self.ctx_state = lib.pa_context_get_state(ctx);
         lib.pa_threaded_mainloop_signal(self.main_loop, 0);
@@ -255,7 +255,7 @@ pub const Context = struct {
     }
 
     fn serverInfoOp(_: ?*c.pa_context, info: [*c]const c.pa_server_info, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), user_data.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(user_data.?)));
 
         defer lib.pa_threaded_mainloop_signal(self.main_loop, 0);
         self.default_sink = self.allocator.dupeZ(u8, std.mem.span(info.*.default_sink_name)) catch return;
@@ -266,7 +266,7 @@ pub const Context = struct {
     }
 
     fn sinkInfoOp(_: ?*c.pa_context, info: [*c]const c.pa_sink_info, eol: c_int, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), user_data.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(user_data.?)));
         if (eol != 0) {
             lib.pa_threaded_mainloop_signal(self.main_loop, 0);
             return;
@@ -276,7 +276,7 @@ pub const Context = struct {
     }
 
     fn sourceInfoOp(_: ?*c.pa_context, info: [*c]const c.pa_source_info, eol: c_int, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Context, @ptrCast(@alignCast(@alignOf(*Context), user_data.?)));
+        var self = @as(*Context, @ptrCast(@alignCast(user_data.?)));
         if (eol != 0) {
             lib.pa_threaded_mainloop_signal(self.main_loop, 0);
             return;
@@ -397,7 +397,7 @@ pub const Context = struct {
     };
 
     fn streamStateOp(stream: ?*c.pa_stream, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*StreamStatus, @ptrCast(@alignCast(@alignOf(*StreamStatus), user_data.?)));
+        var self = @as(*StreamStatus, @ptrCast(@alignCast(user_data.?)));
 
         switch (lib.pa_stream_get_state(stream)) {
             c.PA_STREAM_UNCONNECTED,
@@ -456,14 +456,14 @@ pub const Player = struct {
     }
 
     fn playbackStreamWriteOp(_: ?*c.pa_stream, nbytes: usize, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), user_data.?)));
+        var self = @as(*Player, @ptrCast(@alignCast(user_data.?)));
 
         var frames_left = nbytes;
         if (lib.pa_stream_begin_write(
             self.stream,
             @as(
                 [*c]?*anyopaque,
-                @ptrCast(@alignCast(@alignOf([*c]?*anyopaque), &self.write_ptr)),
+                @ptrCast(@alignCast(&self.write_ptr)),
             ),
             &frames_left,
         ) != 0) {
@@ -534,7 +534,7 @@ pub const Player = struct {
     }
 
     fn successOp(_: ?*c.pa_context, success: c_int, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), user_data.?)));
+        var self = @as(*Player, @ptrCast(@alignCast(user_data.?)));
         if (success == 1)
             lib.pa_threaded_mainloop_signal(self.main_loop, 0);
     }
@@ -557,7 +557,7 @@ pub const Player = struct {
     }
 
     fn sinkInputInfoOp(_: ?*c.pa_context, info: [*c]const c.pa_sink_input_info, eol: c_int, user_data: ?*anyopaque) callconv(.C) void {
-        var self = @as(*Player, @ptrCast(@alignCast(@alignOf(*Player), user_data.?)));
+        var self = @as(*Player, @ptrCast(@alignCast(user_data.?)));
 
         if (eol != 0) {
             lib.pa_threaded_mainloop_signal(self.main_loop, 0);
diff --git a/libs/sysaudio/src/wasapi.zig b/libs/sysaudio/src/wasapi.zig
index 590acd7f..e61552c8 100644
--- a/libs/sysaudio/src/wasapi.zig
+++ b/libs/sysaudio/src/wasapi.zig
@@ -330,7 +330,7 @@ pub const Context = struct {
                         setWaveFormatFormat(wf, format);
                         if (audio_client.?.IsFormatSupported(
                             .SHARED,
-                            @as(?*const win32.WAVEFORMATEX, @ptrCast(@alignCast(@alignOf(*win32.WAVEFORMATEX), wf))),
+                            @as(?*const win32.WAVEFORMATEX, @ptrCast(@alignCast(wf))),
                             &closest_match,
                         ) == win32.S_OK) {
                             try fmt_arr.append(format);
@@ -494,7 +494,7 @@ pub const Context = struct {
             hr = audio_client3.?.InitializeSharedAudioStream(
                 win32.AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
                 0, // TODO: use the advantage of AudioClient3
-                @as(?*const win32.WAVEFORMATEX, @ptrCast(@alignCast(@alignOf(*win32.WAVEFORMATEX), &wave_format))),
+                @as(?*const win32.WAVEFORMATEX, @ptrCast(@alignCast(&wave_format))),
                 null,
             );
             switch (hr) {
@@ -521,7 +521,7 @@ pub const Context = struct {
                 win32.AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
                 0,
                 0,
-                @as(?*const win32.WAVEFORMATEX, @ptrCast(@alignCast(@alignOf(*win32.WAVEFORMATEX), &wave_format))),
+                @as(?*const win32.WAVEFORMATEX, @ptrCast(@alignCast(&wave_format))),
                 null,
             );
             switch (hr) {