diff --git a/lib/std/http/Client.zig b/lib/std/http/Client.zig
index a8e2b5e98b092214c3757617d49c276777380f97..3eae537d294867e703426eda57d9250e020d1e4a 100644
--- a/lib/std/http/Client.zig
+++ b/lib/std/http/Client.zig
@@ -419,7 +419,7 @@ pub const Compression = union(enum) {
 
 /// A HTTP response originating from a server.
 pub const Response = struct {
-    pub const ParseError = Allocator.Error || error{
+    pub const ParseError = error{
         HttpHeadersInvalid,
         HttpHeaderContinuationsUnsupported,
         HttpTransferEncodingUnsupported,