diff --git a/.travis.yaml b/.travis.yaml
index ac2995515cc..4cda8714075 100644
--- a/.travis.yaml
+++ b/.travis.yaml
@@ -13,8 +13,6 @@ notifications:
   email: false
 
 env:
-  # enforcing go mod in GOPATH
-  - GO111MODULE=on
   - BAZEL_VERSION=0.25.2
 
 services:
@@ -35,7 +33,6 @@ script:
   - make verify
   - make images
 
-# calls goreleaser
 deploy:
   - provider: script
     skip_cleanup: true
diff --git a/pkg/apis/certmanager/v1alpha1/zz_generated.deepcopy.go b/pkg/apis/certmanager/v1alpha1/zz_generated.deepcopy.go
index ac39a344965..e60ac780e27 100644
--- a/pkg/apis/certmanager/v1alpha1/zz_generated.deepcopy.go
+++ b/pkg/apis/certmanager/v1alpha1/zz_generated.deepcopy.go
@@ -628,12 +628,12 @@ func (in *CertificateSpec) DeepCopyInto(out *CertificateSpec) {
 	if in.Duration != nil {
 		in, out := &in.Duration, &out.Duration
 		*out = new(v1.Duration)
-		**out = **in
+		(*in).DeepCopyInto(*out)
 	}
 	if in.RenewBefore != nil {
 		in, out := &in.RenewBefore, &out.RenewBefore
 		*out = new(v1.Duration)
-		**out = **in
+		(*in).DeepCopyInto(*out)
 	}
 	if in.DNSNames != nil {
 		in, out := &in.DNSNames, &out.DNSNames