diff --git a/src/simd/main.zig b/src/simd/main.zig
index 13c3dde9f..3493f133d 100644
--- a/src/simd/main.zig
+++ b/src/simd/main.zig
@@ -2,16 +2,16 @@ const std = @import("std");
 
 pub const isa = @import("isa.zig");
 pub const utf8 = @import("utf8.zig");
-const index_of = @import("index_of.zig");
-pub usingnamespace index_of;
+pub const index_of = @import("index_of.zig");
 
-pub fn main() !void {
-    //std.log.warn("ISA={}", .{isa.ISA.detect()});
-    const input = "1234567\x1b1234567\x1b";
-    //const input = "1234567812345678";
-    std.log.warn("result={any}", .{index_of.indexOf(input, 0x1B)});
-    std.log.warn("result={any}", .{utf8.utf8Validate(input)});
-}
+// TODO: temporary, only for zig build simd to inspect disasm easily
+// pub fn main() !void {
+//     //std.log.warn("ISA={}", .{isa.ISA.detect()});
+//     const input = "1234567\x1b1234567\x1b";
+//     //const input = "1234567812345678";
+//     std.log.warn("result={any}", .{index_of.indexOf(input, 0x1B)});
+//     std.log.warn("result={any}", .{utf8.utf8Validate(input)});
+// }
 
 test {
     @import("std").testing.refAllDecls(@This());
diff --git a/src/simd/utf8.zig b/src/simd/utf8.zig
index ac8f7b53b..0f324024b 100644
--- a/src/simd/utf8.zig
+++ b/src/simd/utf8.zig
@@ -21,6 +21,10 @@ pub fn utf8ValidateNeon(input: []const u8) bool {
     return !neon.hasErrors();
 }
 
+pub fn utf8ValidateScalar(input: []const u8) bool {
+    return std.unicode.utf8ValidateSlice(input);
+}
+
 pub const Neon = struct {
     /// The previous input in a vector. This is required because to check
     /// the validity of a UTF-8 byte, we need to sometimes know previous
@@ -52,7 +56,7 @@ pub const Neon = struct {
         var i: usize = 0;
         while (i + 16 <= input.len) : (i += 16) {
             const input_vec = aarch64.vld1q_u8(input[i..]);
-            self.next(input_vec);
+            self.process(input_vec);
         }
 
         // If we have any data remaining, we pad it with zeroes since that
@@ -66,7 +70,7 @@ pub const Neon = struct {
             @memset(buf[remaining..], 0);
 
             const input_vec = aarch64.vld1q_u8(&buf);
-            self.next(input_vec);
+            self.process(input_vec);
         }
     }