diff --git a/pkgs/development/compilers/go/remove-fhs-test-references.patch b/pkgs/development/compilers/go/remove-fhs-test-references.patch
deleted file mode 100644
index 1ea7f85d529..00000000000
--- a/pkgs/development/compilers/go/remove-fhs-test-references.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_unix_test.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_unix_test.go
-index d694990..87fa259 100644
---- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_unix_test.go
-+++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_unix_test.go
-@@ -452,7 +452,7 @@ func TestGetwd(t *testing.T) {
- 	defer fd.Close()
- 	// These are chosen carefully not to be symlinks on a Mac
- 	// (unlike, say, /var, /etc)
--	dirs := []string{"/", "/usr/bin"}
-+	dirs := []string{"/"}
- 	switch runtime.GOOS {
- 	case "android":
- 		dirs = []string{"/", "/system/bin"}
diff --git a/pkgs/development/compilers/go/remove-tools-1.9.patch b/pkgs/development/compilers/go/remove-tools-1.9.patch
deleted file mode 100644
index e76ed61693a..00000000000
--- a/pkgs/development/compilers/go/remove-tools-1.9.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-diff --git a/src/go/build/build.go b/src/go/build/build.go
-index d8163d0172..dd80a70473 100644
---- a/src/go/build/build.go
-+++ b/src/go/build/build.go
-@@ -1592,7 +1592,7 @@ func init() {
- }
- 
- // ToolDir is the directory containing build tools.
--var ToolDir = filepath.Join(runtime.GOROOT(), "pkg/tool/"+runtime.GOOS+"_"+runtime.GOARCH)
-+var ToolDir = runtime.GOTOOLDIR()
- 
- // IsLocalImport reports whether the import path is
- // a local import path, like ".", "..", "./foo", or "../foo".
-diff --git a/src/runtime/extern.go b/src/runtime/extern.go
-index 6e6c674d96..e9f62f96dc 100644
---- a/src/runtime/extern.go
-+++ b/src/runtime/extern.go
-@@ -223,6 +223,17 @@ func GOROOT() string {
- 	return sys.DefaultGoroot
- }
- 
-+// GOTOOLDIR returns the root of the Go tree.
-+// It uses the GOTOOLDIR environment variable, if set,
-+// or else the root used during the Go build.
-+func GOTOOLDIR() string {
-+	s := gogetenv("GOTOOLDIR")
-+	if s != "" {
-+		return s
-+	}
-+	return GOROOT() + "/pkg/tool/" + GOOS + "_" + GOARCH
-+}
-+
- // Version returns the Go tree's version string.
- // It is either the commit hash and date at the time of the build or,
- // when possible, a release tag like "go1.3".
diff --git a/pkgs/development/compilers/go/ssl-cert-file-1.9.patch b/pkgs/development/compilers/go/ssl-cert-file-1.9.patch
deleted file mode 100644
index 3f27bc138c1..00000000000
--- a/pkgs/development/compilers/go/ssl-cert-file-1.9.patch
+++ /dev/null
@@ -1,80 +0,0 @@
-diff --git a/src/crypto/x509/root_cgo_darwin.go b/src/crypto/x509/root_cgo_darwin.go
-index 8e80533590..31c0c666ec 100644
---- a/src/crypto/x509/root_cgo_darwin.go
-+++ b/src/crypto/x509/root_cgo_darwin.go
-@@ -201,11 +201,20 @@ int FetchPEMRoots(CFDataRef *pemRoots, CFDataRef *untrustedPemRoots) {
- import "C"
- import (
- 	"errors"
-+	"io/ioutil"
-+	"os"
- 	"unsafe"
- )
- 
- func loadSystemRoots() (*CertPool, error) {
- 	roots := NewCertPool()
-+	if file := os.Getenv("NIX_SSL_CERT_FILE"); file != "" {
-+		data, err := ioutil.ReadFile(file)
-+		if err == nil {
-+			roots.AppendCertsFromPEM(data)
-+			return roots, nil
-+		}
-+	}
- 
- 	var data C.CFDataRef = nil
- 	var untrustedData C.CFDataRef = nil
-diff --git a/src/crypto/x509/root_darwin.go b/src/crypto/x509/root_darwin.go
-index bc35a1cf21..21e52bec51 100644
---- a/src/crypto/x509/root_darwin.go
-+++ b/src/crypto/x509/root_darwin.go
-@@ -81,18 +81,26 @@ func execSecurityRoots() (*CertPool, error) {
- 		)
- 	}
- 
--	cmd := exec.Command("/usr/bin/security", args...)
--	data, err := cmd.Output()
--	if err != nil {
--		return nil, err
--	}
--
- 	var (
- 		mu          sync.Mutex
- 		roots       = NewCertPool()
- 		numVerified int // number of execs of 'security verify-cert', for debug stats
- 	)
- 
-+	if file := os.Getenv("NIX_SSL_CERT_FILE"); file != "" {
-+		data, err := ioutil.ReadFile(file)
-+		if err == nil {
-+			roots.AppendCertsFromPEM(data)
-+			return roots, nil
-+		}
-+	}
-+
-+	cmd := exec.Command("/usr/bin/security", args...)
-+	data, err := cmd.Output()
-+	if err != nil {
-+		return nil, err
-+	}
-+
- 	blockCh := make(chan *pem.Block)
- 	var wg sync.WaitGroup
- 
-diff --git a/src/crypto/x509/root_unix.go b/src/crypto/x509/root_unix.go
-index 65b5a5fdbc..c9c7ac6a74 100644
---- a/src/crypto/x509/root_unix.go
-+++ b/src/crypto/x509/root_unix.go
-@@ -37,6 +37,13 @@ func (c *Certificate) systemVerify(opts *VerifyOptions) (chains [][]*Certificate
- 
- func loadSystemRoots() (*CertPool, error) {
- 	roots := NewCertPool()
-+	if file := os.Getenv("NIX_SSL_CERT_FILE"); file != "" {
-+		data, err := ioutil.ReadFile(file)
-+		if err == nil {
-+			roots.AppendCertsFromPEM(data)
-+			return roots, nil
-+		}
-+	}
- 
- 	files := certFiles
- 	if f := os.Getenv(certFileEnv); f != "" {