diff --git a/Makefile b/Makefile
index 886ea2da..64450cba 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,5 @@
 .PHONY: all binary build-container docs docs-in-container build-local clean install install-binary install-completions shell test-integration .install.vndr vendor
 
-export GO15VENDOREXPERIMENT=1
 export GO111MODULE=off
 
 ifeq ($(shell uname),Darwin)
@@ -157,7 +156,7 @@ test-system: build-container
 	exit $$rc
 
 test-unit: build-container
-	# Just call (make test unit-local) here instead of worrying about environment differences, e.g. GO15VENDOREXPERIMENT.
+	# Just call (make test unit-local) here instead of worrying about environment differences
 	$(CONTAINER_RUN) make test-unit-local BUILDTAGS='$(BUILDTAGS)'
 
 validate: build-container
@@ -177,4 +176,3 @@ vendor:
 		$(GO) mod tidy && \
 		$(GO) mod vendor && \
 		$(GO) mod verify
-
diff --git a/README.md b/README.md
index 7c052165..9bdd93a3 100644
--- a/README.md
+++ b/README.md
@@ -164,7 +164,7 @@ $ sudo zypper install skopeo
 
 Otherwise, read on for building and installing it from source:
 
-To build the `skopeo` binary you need at least Go 1.5 because it uses the latest `GO15VENDOREXPERIMENT` flag.
+To build the `skopeo` binary you need at least Go 1.9.
 
 There are two ways to build skopeo: in a container, or locally without a container.  Choose the one which better matches your needs and environment.
 
diff --git a/hack/make/test-integration b/hack/make/test-integration
index e8a599f1..e75635e7 100755
--- a/hack/make/test-integration
+++ b/hack/make/test-integration
@@ -10,6 +10,5 @@ bundle_test_integration() {
 (
 	make binary-local ${BUILDTAGS:+BUILDTAGS="$BUILDTAGS"}
 	make install
-	export GO15VENDOREXPERIMENT=1
 	bundle_test_integration
 ) 2>&1