diff --git a/.drone.yml b/.drone.yml
index 921ec87..ead7a52 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -212,4 +212,31 @@ steps:
       - apk add --no-cache git bash
       - apk add --no-cache wasmtime --repository=https://dl-cdn.alpinelinux.org/alpine/edge/testing
       - PATH=$PATH:$(go env GOROOT)/misc/wasm go test -tags purego -p 1 -failfast -timeout 20m -cover -gcflags=-d=checkptr -v .
+---
+kind: pipeline
+type: docker
+name: go-wasm-tinygo
+platform:
+  os: linux
+  arch: arm64
+
+environment:
+  GOPROXY: direct
+  GOARCH: wasm
+  GOOS: wasip1
+  GOTRACEBACK: 2
+  GOEXPERIMENT: "cgocheck2,newinliner"
+  CGO_ENABLED: "0"
+
+workspace:
+  path: /drone/src
+
+steps:
+  - name: test
+    image: tinygo/tinygo:0.31.2
+    commands:
+      - apt-get update
+      - apt-get install -y git curl bash
+      - curl https://wasmtime.dev/install.sh -sSf | bash
+      - PATH=$PATH:$(go env GOROOT)/misc/wasm tinygo test -tags purego -p 1 -gcflags=-d=checkptr -v .
 ...
\ No newline at end of file
diff --git a/asm/cpuid_amd64.go b/asm/cpuid_amd64.go
index 494e896..cade155 100644
--- a/asm/cpuid_amd64.go
+++ b/asm/cpuid_amd64.go
@@ -3,5 +3,3 @@
 package asm
 
 func Cpuid(op uint32) (eax, ebx, ecx, edx uint32)
-func Cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32)
-func Xgetbv(index uint32) (eax, edx uint32)
diff --git a/asm/cpuid_amd64.s b/asm/cpuid_amd64.s
index aa5073d..ccecba5 100644
--- a/asm/cpuid_amd64.s
+++ b/asm/cpuid_amd64.s
@@ -14,21 +14,3 @@ TEXT ·Cpuid(SB), 7, $0
         RET
 
 
-// func Cpuidex(op, op2 uint32) (eax, ebx, ecx, edx uint32)
-TEXT ·Cpuidex(SB), 7, $0
-        MOVL op+0(FP), AX
-        MOVL op2+4(FP), CX
-        CPUID
-        MOVL AX, eax+8(FP)
-        MOVL BX, ebx+12(FP)
-        MOVL CX, ecx+16(FP)
-        MOVL DX, edx+20(FP)
-        RET
-
-// func xgetbv(index uint32) (eax, edx uint32)
-TEXT ·Xgetbv(SB), 7, $0
-        MOVL index+0(FP), CX
-        BYTE $0x0f; BYTE $0x01; BYTE $0xd0 // XGETBV
-        MOVL AX, eax+8(FP)
-        MOVL DX, edx+12(FP)
-        RET