diff --git a/crdt-demo/runner.zig b/crdt-demo/runner.zig
index 6baacb9..113106f 100644
--- a/crdt-demo/runner.zig
+++ b/crdt-demo/runner.zig
@@ -2,6 +2,7 @@
 //! CRDT server binary, then waits for the server to exit.
 
 const std = @import("std");
+const spawn = spawn;
 
 pub fn main(init: std.process.Init) !void {
     const io = init.io;
@@ -14,7 +15,7 @@ pub fn main(init: std.process.Init) !void {
     const www_dir = args.next() orelse return error.MissingArg;
     const server_bin = args.next() orelse return error.MissingArg;
 
-    var python_child = try std.process.spawn(io, .{
+    var python_child = try spawn(io, .{
         .argv = &.{ python, "-m", "http.server", "-d", www_dir },
         .stdin = .ignore,
         .stdout = .inherit,
@@ -22,7 +23,7 @@ pub fn main(init: std.process.Init) !void {
     });
     errdefer python_child.kill(io);
 
-    var server_child = try std.process.spawn(io, .{
+    var server_child = try spawn(io, .{
         .argv = &.{ server_bin },
         .stdin = .ignore,
         .stdout = .ignore,
diff --git a/crdt-demo/src/demo.zig b/crdt-demo/src/demo.zig
index 347a6cd..63632ba 100644
--- a/crdt-demo/src/demo.zig
+++ b/crdt-demo/src/demo.zig
@@ -6,6 +6,8 @@
 //! counter. JS glue in www/demo.js drives a contenteditable editor.
 const std = @import("std");
 const crdt = @import("crdt");
+const Stringify = std.json.Stringify;
+const parseFromSlice = std.json.parseFromSlice;
 
 const ReplicaId = crdt.ReplicaId;
 const Rga = crdt.Rga(u8);
@@ -125,7 +127,7 @@ export fn get_state_json(handle_ptr: usize) void {
     const crdt_val = Crdt{ .rga = handle.rga };
     var buf: std.Io.Writer.Allocating = .init(allocator);
     defer buf.deinit();
-    std.json.Stringify.value(crdt_val, .{}, &buf.writer) catch {
+    Stringify.value(crdt_val, .{}, &buf.writer) catch {
         output.clearRetainingCapacity();
         return;
     };
@@ -146,7 +148,7 @@ export fn get_state_json(handle_ptr: usize) void {
 export fn merge_json(handle_ptr: usize, json_ptr: [*]const u8, json_len: usize) void {
     const handle = handle_map.get(handle_ptr) orelse return;
     const json_slice = json_ptr[0..json_len];
-    const parsed = std.json.parseFromSlice(Crdt, allocator, json_slice, .{}) catch return;
+    const parsed = parseFromSlice(Crdt, allocator, json_slice, .{}) catch return;
     defer parsed.deinit();
     handle.rga.merge(parsed.value.rga, allocator) catch {};
 }