diff --git a/cmd/release/release.go b/cmd/release/release.go
index 7680406..bf28b68 100644
--- a/cmd/release/release.go
+++ b/cmd/release/release.go
@@ -260,19 +260,6 @@
 		Arch:    "arm64",
 		Builder: "linux-arm64-packet",
 	},
-	{
-		GoQuery: "< go1.15",
-		OS:      "freebsd",
-		Arch:    "386",
-		Builder: "freebsd-386-11_1",
-	},
-	{
-		GoQuery: "< go1.15",
-		OS:      "freebsd",
-		Arch:    "amd64",
-		Race:    true,
-		Builder: "freebsd-amd64-11_1",
-	},
 
 	// Test-only builds.
 	{
@@ -864,7 +851,7 @@
 }
 
 // checkRelocations runs readelf on pkg/linux_amd64/runtime/cgo.a and makes sure
-// we don't see R_X86_64_REX_GOTPCRELX in new Go 1.15 and Go 1.14 minor releases.
+// we don't see R_X86_64_REX_GOTPCRELX in new Go 1.15 minor releases.
 // See golang.org/issue/31293 and golang.org/issue/40561#issuecomment-731482962.
 func (b *Build) checkRelocations(client *buildlet.Client) error {
 	if b.OS != "linux" || b.Arch != "amd64" || b.TestOnly {
@@ -895,8 +882,7 @@
 		if !strings.Contains(got, "R_X86_64_REX_GOTPCRELX") {
 			return fmt.Errorf("%s did not contain a R_X86_64_REX_GOTPCRELX relocation; remoteErr=%v, %s", file, remoteErr, got)
 		}
-	case strings.HasPrefix(*version, "go1.15"),
-		strings.HasPrefix(*version, "go1.14"):
+	case strings.HasPrefix(*version, "go1.15"):
 		if strings.Contains(got, "R_X86_64_REX_GOTPCRELX") {
 			return fmt.Errorf("%s contained a R_X86_64_REX_GOTPCRELX relocation", file)
 		}
@@ -1012,12 +998,12 @@
 	// TODO(amedee,dmitshur,golang.org/issue/40558): Use a version package to compare versions of Go.
 
 	// The minimum supported version of macOS with each version of go:
-	// go1.14 - macOS 10.11
 	// go1.15 - macOS 10.12
 	// go1.16 - macOS 10.12
-	minMacVersion := "10.12"
-	if match("< go1.15", goVer) {
-		minMacVersion = "10.11"
+	// go1.17 - macOS 10.13
+	minMacVersion := "10.13"
+	if match("< go1.17beta1", goVer) {
+		minMacVersion = "10.12"
 		return minMacVersion
 	}
 	return minMacVersion
@@ -1031,18 +1017,17 @@
 	switch query {
 	case "": // A special case to make the zero Build.GoQuery value useful.
 		return true
+	case "< go1.17beta1":
+		return strings.HasPrefix(goVer, "go1.16") || strings.HasPrefix(goVer, "go1.15")
 	case ">= go1.16beta1":
-		return !strings.HasPrefix(goVer, "go1.15") && !strings.HasPrefix(goVer, "go1.14")
+		return !strings.HasPrefix(goVer, "go1.15")
 	case "< go1.16beta1":
-		return strings.HasPrefix(goVer, "go1.15") || strings.HasPrefix(goVer, "go1.14")
+		return strings.HasPrefix(goVer, "go1.15")
 	case ">= go1.15rc2":
 		// By the time this code is added, Go 1.15 RC 1 has already been released and
 		// won't be modified, that's why we only care about matching RC 2 and onwards.
 		// (We could've just done ">= go1.15", but that could be misleading in future.)
-		return goVer != "go1.15rc1" && !strings.HasPrefix(goVer, "go1.15beta") &&
-			!strings.HasPrefix(goVer, "go1.14")
-	case "< go1.15":
-		return strings.HasPrefix(goVer, "go1.14")
+		return goVer != "go1.15rc1" && !strings.HasPrefix(goVer, "go1.15beta")
 	default:
 		panic(fmt.Errorf("match: query %q is not supported", query))
 	}
diff --git a/cmd/release/release_test.go b/cmd/release/release_test.go
index a980221..4c87bf1 100644
--- a/cmd/release/release_test.go
+++ b/cmd/release/release_test.go
@@ -27,7 +27,7 @@
 					t.Errorf("build %v uses an unsupported version query:\n%v", b, err)
 				}
 			}()
-			match(b.GoQuery, "go1.14.6") // Shouldn't panic for any b.GoQuery.
+			match(b.GoQuery, "go1.15.6") // Shouldn't panic for any b.GoQuery.
 		})
 	}
 }
@@ -45,14 +45,16 @@
 		goVer     string
 		wantMacOS string
 	}{
-		{"go1.14", "10.11"},
-		{"go1.14.14", "10.11"},
 		{"go1.15", "10.12"},
 		{"go1.15.7", "10.12"},
 		{"go1.16beta1", "10.12"},
 		{"go1.16rc1", "10.12"},
 		{"go1.16", "10.12"},
 		{"go1.16.1", "10.12"},
+		{"go1.17beta1", "10.13"},
+		{"go1.17rc1", "10.13"},
+		{"go1.17", "10.13"},
+		{"go1.17.2", "10.13"},
 	}
 	for _, tc := range testCases {
 		t.Run(tc.goVer, func(t *testing.T) {
@@ -80,23 +82,18 @@
 		target      string
 		wantBuilder string
 	}{
-		// Go 1.15.x and 1.14.x still use the Jessie builders.
-		{"go1.14.55", "linux-amd64", "linux-amd64-jessie"},
+		// Go 1.15.x still uses the Jessie builders.
 		{"go1.15.55", "linux-386", "linux-386-jessie"},
 		// Go 1.16 starts to use the the Stretch builders.
 		{"go1.16", "linux-amd64", "linux-amd64-stretch"},
 		{"go1.16", "linux-386", "linux-386-stretch"},
 
-		// Go 1.15.x and 1.14.x still use the Packet and Scaleway builders.
-		{"go1.14.55", "linux-arm64", "linux-arm64-packet"},
+		// Go 1.15.x still uses the Packet and Scaleway builders.
 		{"go1.15.55", "linux-armv6l", "linux-arm"},
 		// Go 1.16 starts to use the the AWS builders.
 		{"go1.16", "linux-arm64", "linux-arm64-aws"},
 		{"go1.16", "linux-armv6l", "linux-arm-aws"},
 
-		// Go 1.14.x still use the FreeBSD 11.1 builder.
-		{"go1.14.55", "freebsd-amd64", "freebsd-amd64-11_1"},
-		{"go1.14.55", "freebsd-386", "freebsd-386-11_1"},
 		// Go 1.15 RC 2+ starts to use the the FreeBSD 11.2 builder.
 		{"go1.15rc2", "freebsd-amd64", "freebsd-amd64-11_2"},
 		{"go1.15rc2", "freebsd-386", "freebsd-386-11_2"},
diff --git a/dashboard/builders.go b/dashboard/builders.go
index bd0f943..d99c814 100644
--- a/dashboard/builders.go
+++ b/dashboard/builders.go
@@ -25,7 +25,6 @@
 // syntax entirely. This is a first draft.
 var slowBotAliases = map[string]string{
 	// Known missing builders:
-	"darwin-arm":    "", // TODO(golang.org/issue/37611): Remove once port is removed.
 	"ios-amd64":     "", // There is no builder for the iOS Simulator. See issues 42100 and 42177.
 	"windows-arm64": "", // TODO(golang.org/issue/42604): Add builder for windows/arm64.
 
@@ -40,7 +39,6 @@
 	"arm":            "linux-arm",
 	"arm64":          "linux-arm64-packet",
 	"darwin":         "darwin-amd64-10_14",
-	"darwin-386":     "darwin-386-10_14", // TODO(golang.org/issue/37610): Remove when Go 1.14 is no longer supported.
 	"darwin-amd64":   "darwin-amd64-10_14",
 	"darwin-arm64":   "darwin-arm64-11_0-toothrot",
 	"ios-arm64":      "ios-arm64-corellium",
@@ -298,24 +296,6 @@
 		env:         []string{"GOROOT_BOOTSTRAP=/usr/local/go"},
 		OwnerGithub: "4a6f656c",
 	},
-	"host-freebsd-11_1": &HostConfig{
-		VMImage:            "freebsd-amd64-111-b",
-		Notes:              "FreeBSD 11.1; GCE VM is built from script in build/env/freebsd-amd64",
-		machineType:        "n1-highcpu-4",
-		buildletURLTmpl:    "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
-		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
-		env:                []string{"CC=clang"},
-		SSHUsername:        "gopher",
-	},
-	"host-freebsd-11_1-big": &HostConfig{
-		VMImage:            "freebsd-amd64-111-b",
-		Notes:              "Same as host-freebsd-11_1, but on n1-highcpu-16",
-		machineType:        "n1-highcpu-16", // 16 vCPUs, 14.4 GB mem
-		buildletURLTmpl:    "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
-		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
-		env:                []string{"CC=clang"},
-		SSHUsername:        "gopher",
-	},
 	"host-freebsd-11_2": &HostConfig{
 		VMImage:            "freebsd-amd64-112",
 		Notes:              "FreeBSD 11.2; GCE VM is built from script in build/env/freebsd-amd64",
@@ -332,6 +312,14 @@
 		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
 		SSHUsername:        "gopher",
 	},
+	"host-freebsd-12_0-big": &HostConfig{
+		VMImage:            "freebsd-amd64-120-v1",
+		Notes:              "Same as host-freebsd-12_0, but on n1-highcpu-16",
+		machineType:        "n1-highcpu-16", // 16 vCPUs, 14.4 GB mem
+		buildletURLTmpl:    "https://storage.googleapis.com/$BUCKET/buildlet.freebsd-amd64",
+		goBootstrapURLTmpl: "https://storage.googleapis.com/$BUCKET/go1.4-freebsd-amd64.tar.gz",
+		SSHUsername:        "gopher",
+	},
 	"host-netbsd-amd64-9_0": &HostConfig{
 		VMImage:            "netbsd-amd64-9-0-2019q4",
 		Notes:              "NetBSD 9.0; GCE VM is built from script in build/env/netbsd-amd64",
@@ -472,19 +460,9 @@
 		OwnerGithub: "zx2c4",
 		env:         []string{"GOROOT_BOOTSTRAP=C:\\Program Files (Arm)\\Go"},
 	},
-	"host-darwin-10_11": &HostConfig{
-		IsReverse: true,
-		ExpectNum: 3,
-		Notes:     "MacStadium OS X 10.11 VM under VMWare ESXi",
-		env: []string{
-			"GOROOT_BOOTSTRAP=/Users/gopher/go1.4",
-		},
-		SSHUsername:     "gopher",
-		HermeticReverse: false, // TODO: make it so, like 10.12
-	},
 	"host-darwin-10_12": &HostConfig{
 		IsReverse: true,
-		ExpectNum: 4,
+		ExpectNum: 5,
 		Notes:     "MacStadium OS X 10.12 VM under VMWare ESXi",
 		env: []string{
 			"GOROOT_BOOTSTRAP=/Users/gopher/go1.4",
@@ -494,7 +472,7 @@
 	},
 	"host-darwin-10_14": &HostConfig{
 		IsReverse: true,
-		ExpectNum: 6,
+		ExpectNum: 7,
 		Notes:     "MacStadium macOS Mojave (10.14) VM under VMWare ESXi",
 		env: []string{
 			"GOROOT_BOOTSTRAP=/Users/gopher/goboot", // Go 1.12.1
@@ -504,7 +482,7 @@
 	},
 	"host-darwin-10_15": &HostConfig{
 		IsReverse: true,
-		ExpectNum: 6,
+		ExpectNum: 7,
 		Notes:     "MacStadium macOS Catalina (10.15) VM under VMWare ESXi",
 		env: []string{
 			"GOROOT_BOOTSTRAP=/Users/gopher/goboot", // Go 1.12.1
@@ -1489,19 +1467,6 @@
 
 func init() {
 	addBuilder(BuildConfig{
-		Name:     "freebsd-amd64-11_1",
-		HostType: "host-freebsd-11_1",
-		tryBot:   nil,
-		buildsRepo: func(repo, branch, goBranch string) bool {
-			// This builder is unfortunately still used by Go 1.14 and 1.13,
-			// so keep it around a bit longer. See golang.org/issue/40563.
-			// Test relevant Go versions so that we're better informed.
-			return atMostGo1(goBranch, 14) && buildRepoByDefault(repo)
-		},
-		distTestAdjust:    fasterTrybots,
-		numTryTestHelpers: 4,
-	})
-	addBuilder(BuildConfig{
 		Name:              "freebsd-amd64-11_2",
 		HostType:          "host-freebsd-11_2",
 		tryBot:            explicitTrySet("sys"),
@@ -1526,19 +1491,7 @@
 	})
 	addBuilder(BuildConfig{
 		Name:     "freebsd-amd64-race",
-		HostType: "host-freebsd-11_1-big", // TODO(golang.org/issue/40562): Update to newer FreeBSD.
-	})
-	addBuilder(BuildConfig{
-		Name:           "freebsd-386-11_1",
-		HostType:       "host-freebsd-11_1",
-		distTestAdjust: noTestDirAndNoReboot,
-		buildsRepo: func(repo, branch, goBranch string) bool {
-			// This builder is unfortunately still used by Go 1.14 and 1.13,
-			// so keep it around a bit longer. See golang.org/issue/40563.
-			// Test relevant Go versions so that we're better informed.
-			return atMostGo1(goBranch, 14) && buildRepoByDefault(repo)
-		},
-		env: []string{"GOARCH=386", "GOHOSTARCH=386"},
+		HostType: "host-freebsd-12_0-big",
 	})
 	addBuilder(BuildConfig{
 		Name:           "freebsd-386-11_2",
@@ -1578,7 +1531,7 @@
 		Notes: "GO386=387",
 		buildsRepo: func(repo, branch, goBranch string) bool {
 			// GO386=387 is removed in Go 1.16 (golang.org/issue/40255).
-			// It's still supported in Go 1.15 and 1.14.
+			// It's still supported in Go 1.15.
 			return atMostGo1(goBranch, 15) && (repo == "go" || repo == "crypto")
 		},
 		HostType: "host-linux-jessie",
@@ -1645,7 +1598,7 @@
 	addMiscCompile := func(suffix, rx string) { addMiscCompileGo1(0, suffix, rx) }
 
 	addMiscCompile("-linuxarm", "^linux-arm")                // 2: arm, arm64
-	addMiscCompile("-darwin", "^darwin-(386|amd64)$")        // 1: amd64 (in Go 1.14: 386, amd64)
+	addMiscCompile("-darwin", "^darwin-(386|amd64)$")        // 1: amd64
 	addMiscCompileGo1(16, "-darwinarm64", "^darwin-arm64$")  // 1: arm64 (for Go 1.16 and newer)
 	addMiscCompile("-mips", "^linux-mips")                   // 4: mips, mipsle, mips64, mips64le
 	addMiscCompile("-ppc", "^(linux-ppc64|aix-)")            // 3: linux-ppc64{,le}, aix-ppc64
@@ -2014,7 +1967,7 @@
 		HostType:       "host-openbsd-386-62",
 		distTestAdjust: noTestDirAndNoReboot,
 		buildsRepo: func(repo, branch, goBranch string) bool {
-			// This builder is unfortunately still used by Go 1.15 and 1.14,
+			// This builder is unfortunately still used by Go 1.15,
 			// so keep it around a bit longer. See golang.org/issue/42426.
 			return atMostGo1(goBranch, 15) && buildRepoByDefault(repo)
 		},
@@ -2031,7 +1984,7 @@
 		HostType:       "host-openbsd-amd64-62",
 		distTestAdjust: noTestDirAndNoReboot,
 		buildsRepo: func(repo, branch, goBranch string) bool {
-			// This builder is unfortunately still used by Go 1.15 and 1.14,
+			// This builder is unfortunately still used by Go 1.15,
 			// so keep it around a bit longer. See golang.org/issue/42426.
 			return atMostGo1(goBranch, 15) && buildRepoByDefault(repo)
 		},
@@ -2266,29 +2219,6 @@
 			"GO_TEST_TIMEOUT_SCALE=3"},
 	})
 	addBuilder(BuildConfig{
-		Name:     "darwin-amd64-10_11",
-		HostType: "host-darwin-10_11",
-		tryBot:   nil, // disabled until Macs fixed; https://golang.org/issue/23859
-		buildsRepo: func(repo, branch, goBranch string) bool {
-			// Go 1.14 is the last release that will run on macOS 10.11 El Capitan.
-			// (See https://golang.org/doc/go1.14#darwin.)
-			return repo == "go" && atMostGo1(branch, 14)
-		},
-		distTestAdjust:    macTestPolicy,
-		numTryTestHelpers: 3,
-	})
-	addBuilder(BuildConfig{
-		Name:           "darwin-386-10_14",
-		HostType:       "host-darwin-10_14",
-		distTestAdjust: macTestPolicy,
-		buildsRepo: func(repo, branch, goBranch string) bool {
-			// Go 1.14 is the last release that will support 32-bit binaries on macOS (darwin/386).
-			// (See https://golang.org/doc/go1.14#darwin.)
-			return repo == "go" && atMostGo1(branch, 14)
-		},
-		env: []string{"GOARCH=386", "GOHOSTARCH=386"},
-	})
-	addBuilder(BuildConfig{
 		Name:           "darwin-amd64-10_12",
 		HostType:       "host-darwin-10_12",
 		distTestAdjust: macTestPolicy,
@@ -2664,10 +2594,6 @@
 		},
 		buildsRepo: func(repo, branch, goBranch string) bool {
 			switch repo {
-			case "net":
-				// The x/net package wasn't working in Go 1.12; AIX folk plan to have
-				// it ready by Go 1.13. See https://golang.org/issue/31564#issuecomment-484786144
-				return atLeastGo1(branch, 13) && atLeastGo1(goBranch, 13)
 			case "tools", "tour", "website":
 				// The PATH on this builder is misconfigured in a way that causes
 				// any test that executes a 'go' command as a subprocess to fail.
@@ -2675,7 +2601,7 @@
 				// Skip affected repos until the builder is fixed.
 				return false
 			}
-			return atLeastGo1(branch, 12) && atLeastGo1(goBranch, 12) && buildRepoByDefault(repo)
+			return buildRepoByDefault(repo)
 		},
 	})
 	addBuilder(BuildConfig{
diff --git a/dashboard/builders_test.go b/dashboard/builders_test.go
index ed11532..9ac9560 100644
--- a/dashboard/builders_test.go
+++ b/dashboard/builders_test.go
@@ -172,7 +172,7 @@
 		},
 		{
 			repo:   "go",
-			branch: "release-branch.go1.14",
+			branch: "release-branch.go1.15",
 			want: []string{
 				"android-amd64-emu",
 				"freebsd-amd64-12_0",
@@ -362,7 +362,6 @@
 		{b("android-amd64-emu@go1.12", "mobile"), none},
 		{b("android-amd64-emu@go1.13", "mobile"), both},
 		{b("android-amd64-emu", "mobile@1.13"), both},
-		{b("freebsd-386-11_1@go1.14", "mobile"), none}, // See golang.org/issue/36506.
 
 		{b("android-amd64-emu", "go"), both},
 		{b("android-amd64-emu", "crypto"), both},
@@ -407,19 +406,6 @@
 		{b("openbsd-amd64-62@go1.15", "go"), onlyPost},
 		{b("openbsd-amd64-62@go1.14", "go"), onlyPost},
 
-		// go1.12.html: "Go 1.12 is the last release that is
-		// supported on FreeBSD 10.x [... and 11.1]"
-		// But golang.org/issue/40563 happened.
-		{b("freebsd-amd64-11_1", "go"), none},
-		{b("freebsd-amd64-11_1", "net"), none},
-		{b("freebsd-amd64-11_1", "mobile"), none},
-		{b("freebsd-amd64-11_1@go1.14", "go"), isBuilder},
-		{b("freebsd-amd64-11_1@go1.14", "net"), isBuilder},
-		{b("freebsd-amd64-11_1@go1.14", "mobile"), none},
-		{b("freebsd-amd64-11_1@go1.13", "go"), isBuilder},
-		{b("freebsd-amd64-11_1@go1.13", "net"), isBuilder},
-		{b("freebsd-amd64-11_1@go1.13", "mobile"), none},
-
 		// FreeBSD 12.0
 		{b("freebsd-amd64-12_0", "go"), both},
 		{b("freebsd-amd64-12_0", "net"), both},
@@ -441,11 +427,11 @@
 		{b("aix-ppc64", "mobile"), none},
 		{b("aix-ppc64", "exp"), none},
 		{b("aix-ppc64", "term"), onlyPost},
-		{b("aix-ppc64@go1.12", "go"), onlyPost},
-		{b("aix-ppc64@go1.12", "net"), none},
-		{b("aix-ppc64@go1.12", "mobile"), none},
-		{b("aix-ppc64@go1.13", "net"), onlyPost},
-		{b("aix-ppc64@go1.13", "mobile"), none},
+		{b("aix-ppc64@go1.15", "go"), onlyPost},
+		{b("aix-ppc64@go1.15", "net"), onlyPost},
+		{b("aix-ppc64@go1.15", "mobile"), none},
+		{b("aix-ppc64@go1.16", "net"), onlyPost},
+		{b("aix-ppc64@go1.16", "mobile"), none},
 		{b("aix-ppc64@dev.link", "go"), onlyPost},
 
 		{b("linux-amd64-nocgo", "mobile"), none},
@@ -520,10 +506,8 @@
 		{b("darwin-amd64-10_15", "exp"), onlyPost},
 		// ... but not on most others:
 		{b("darwin-amd64-10_12", "exp"), none},
-		{b("freebsd-386-11_1@go1.14", "exp"), none},
 		{b("freebsd-386-11_2", "exp"), none},
 		{b("freebsd-386-12_0", "exp"), none},
-		{b("freebsd-amd64-11_1@go1.14", "exp"), none},
 		{b("freebsd-amd64-11_2", "exp"), none},
 		{b("freebsd-amd64-12_0", "exp"), none},
 		{b("openbsd-amd64-64", "exp"), none},
@@ -548,26 +532,16 @@
 		{b("linux-amd64-sid", "build"), none},
 		{b("linux-amd64-nocgo", "build"), none},
 		{b("linux-386-longtest", "build"), none},
-		{b("freebsd-386-11_1", "build"), none},
 		{b("js-wasm", "build"), none},
 		{b("android-386-emu", "build"), none},
 		{b("android-amd64-emu", "build"), none},
 
 		// Only use latest macOS for subrepos, and only amd64:
 		{b("darwin-amd64-10_12", "net"), onlyPost},
-		{b("darwin-amd64-10_11", "net"), none},
-		{b("darwin-amd64-10_11@go1.12", "net"), none},
 
 		{b("darwin-amd64-10_15", "go"), onlyPost},
 		{b("darwin-amd64-10_14", "go"), onlyPost},
 		{b("darwin-amd64-10_12", "go"), onlyPost},
-		{b("darwin-amd64-10_11", "go"), none},
-		{b("darwin-amd64-10_11@go1.14", "go"), onlyPost}, // Go 1.14 is the last release that will run on macOS 10.11 El Capitan.
-		{b("darwin-amd64-10_11@go1.15", "go"), none},     // Go 1.15 will require macOS 10.12 Sierra or later.
-		{b("darwin-386-10_14", "go"), none},
-		{b("darwin-386-10_14@go1.13", "go"), onlyPost},
-		{b("darwin-386-10_14@go1.14", "go"), onlyPost}, // Go 1.14 is the last release that supports 32-bit on macOS.
-		{b("darwin-386-10_14@go1.15", "go"), none},
 
 		// plan9 only lived at master. We didn't support any past releases.
 		// But it's off for now as it's always failing.
@@ -690,7 +664,6 @@
 		{"linux-amd64", "reboot", tryMode, true},
 		{"linux-amd64-race", "reboot", tryMode, false},
 
-		{"darwin-amd64-10_11", "test:foo", postSubmit, false},
 		{"darwin-amd64-10_12", "test:foo", postSubmit, false},
 		{"darwin-amd64-10_14", "test:foo", postSubmit, false},
 		{"darwin-amd64-10_14", "reboot", postSubmit, false},
@@ -830,7 +803,6 @@
 	ports := strings.Fields(string(out))
 
 	done := map[string]bool{}
-	done["darwin-arm"] = true    // TODO: Remove when Go 1.16 is out and Go 1.14 becomes unsupported.
 	done["darwin-arm64"] = true  // TODO(golang.org/issue/39782): Add builder for darwin/arm64.
 	done["windows-arm64"] = true // TODO(golang.org/issue/42604): Add builder for windows/arm64.
 	check := func(goos, goarch string) {