diff --git a/dashboard/builders.go b/dashboard/builders.go
index eb5e244..f29f610 100644
--- a/dashboard/builders.go
+++ b/dashboard/builders.go
@@ -472,12 +472,6 @@
 		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-windows-amd64.tar.gz",
 		SSHUsername:        "gopher",
 	},
-	"host-windows-arm-iotcore": &HostConfig{
-		IsReverse:   true,
-		ExpectNum:   1,
-		OwnerGithub: "jordanrh1",
-		env:         []string{"GOROOT_BOOTSTRAP=C:\\Data\\Go"},
-	},
 	"host-darwin-10_11": &HostConfig{
 		IsReverse: true,
 		ExpectNum: 3,
@@ -1575,8 +1569,8 @@
 	addMiscCompile("-netbsd", "^netbsd-")                    // 4: amd64, 386, arm, arm64
 	addMiscCompile("-openbsd", "^openbsd-")                  // 4: amd64, 386, arm, arm64
 
-	// And 4 that don't fit above:
-	addMiscCompile("-other", "^(windows-arm|linux-s390x|linux-riscv64|dragonfly-amd64)$")
+	// And 3 that don't fit above:
+	addMiscCompile("-other", "^(linux-s390x|linux-riscv64|dragonfly-amd64)$")
 	// TODO: Issue 25963, get the misc-compile trybots for
 	// subrepos too, so "mobile" can at least be included as a
 	// misc-compile for ^android- and ^darwin-arm.
@@ -2073,15 +2067,6 @@
 			"GO_TEST_TIMEOUT_SCALE=2"},
 	})
 	addBuilder(BuildConfig{
-		Name:         "windows-arm",
-		HostType:     "host-windows-arm-iotcore",
-		SkipSnapshot: true,
-		env: []string{
-			"GOARM=7",
-			"GO_TEST_TIMEOUT_SCALE=2",
-		},
-	})
-	addBuilder(BuildConfig{
 		Name:     "darwin-amd64-10_11",
 		HostType: "host-darwin-10_11",
 		tryBot:   nil, // disabled until Macs fixed; https://golang.org/issue/23859
diff --git a/dashboard/builders_test.go b/dashboard/builders_test.go
index b773066..542ce69 100644
--- a/dashboard/builders_test.go
+++ b/dashboard/builders_test.go
@@ -712,6 +712,8 @@
 	ports := strings.Fields(string(out))
 
 	done := map[string]bool{}
+	done["windows-arm"] = true // TODO(golang.org/issue/38607) disabled until builder is replaced
+
 	var add bytes.Buffer
 	check := func(term string, isArch bool) {
 		if done[term] {
@@ -780,8 +782,9 @@
 	ports := strings.Fields(string(out))
 
 	done := map[string]bool{}
-	done["nacl-386"] = true // removed in Go 1.14
-	done["nacl-arm"] = true // removed in Go 1.14
+	done["nacl-386"] = true    // removed in Go 1.14
+	done["nacl-arm"] = true    // removed in Go 1.14
+	done["windows-arm"] = true // TODO(golang.org/issue/38607) disabled until builder is replaced
 	check := func(goos, goarch string) {
 		if goos == "android" {
 			// TODO(golang.org/issue/25963): support
@@ -820,7 +823,6 @@
 		if _, ok := done[goosArch]; !ok {
 			t.Errorf("Missing trybot or misc-compile trybot: %q", goosArch)
 		}
-
 	}
 
 	for _, port := range ports {