diff --git a/hack/lib/golang.sh b/hack/lib/golang.sh
index 87c0df10ef138..57989484ed787 100755
--- a/hack/lib/golang.sh
+++ b/hack/lib/golang.sh
@@ -468,8 +468,7 @@ EOF
   local go_version
   IFS=" " read -ra go_version <<< "$(GOFLAGS='' go version)"
   local minimum_go_version
-  # Temporarily build with 1.14 to simplify transition to 1.15
-  minimum_go_version=go1.14.4
+  minimum_go_version=go1.15.0
   if [[ "${minimum_go_version}" != $(echo -e "${minimum_go_version}\n${go_version[2]}" | sort -s -t. -k 1,1 -k 2,2n -k 3,3n | head -n1) && "${go_version[2]}" != "devel" ]]; then
     kube::log::usage_from_stdin <<EOF
 Detected go version: ${go_version[*]}.
diff --git a/openshift-hack/images/hyperkube/Dockerfile.rhel b/openshift-hack/images/hyperkube/Dockerfile.rhel
index 47ead9e6051d4..0618d2cb8d22b 100644
--- a/openshift-hack/images/hyperkube/Dockerfile.rhel
+++ b/openshift-hack/images/hyperkube/Dockerfile.rhel
@@ -1,4 +1,4 @@
-FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-openshift-4.6 AS builder
+FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-1.15-openshift-4.6 AS builder
 WORKDIR /go/src/k8s.io/kubernetes
 COPY . .
 RUN make WHAT='cmd/kube-apiserver cmd/kube-controller-manager cmd/kube-scheduler cmd/kubelet cmd/watch-termination' && \
diff --git a/openshift-hack/images/tests/Dockerfile.rhel b/openshift-hack/images/tests/Dockerfile.rhel
index 46f20784d4203..c13d4ac7af58b 100644
--- a/openshift-hack/images/tests/Dockerfile.rhel
+++ b/openshift-hack/images/tests/Dockerfile.rhel
@@ -1,4 +1,4 @@
-FROM registry.svc.ci.openshift.org/ocp/builder:golang-1.14 AS builder
+FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-1.15-openshift-4.6 AS builder
 WORKDIR /go/src/k8s.io/kubernetes
 COPY . .
 RUN make WHAT=openshift-hack/e2e/k8s-e2e.test; \
diff --git a/openshift-hack/lib/constants.sh b/openshift-hack/lib/constants.sh
index acc3ee89d4d87..3552d53115d68 100755
--- a/openshift-hack/lib/constants.sh
+++ b/openshift-hack/lib/constants.sh
@@ -4,7 +4,7 @@
 
 readonly OS_GO_PACKAGE=github.com/openshift/origin
 
-readonly OS_BUILD_ENV_GOLANG="${OS_BUILD_ENV_GOLANG:-1.14}"
+readonly OS_BUILD_ENV_GOLANG="${OS_BUILD_ENV_GOLANG:-1.15}"
 readonly OS_BUILD_ENV_IMAGE="${OS_BUILD_ENV_IMAGE:-openshift/origin-release:golang-${OS_BUILD_ENV_GOLANG}}"
 readonly OS_REQUIRED_GO_VERSION="go${OS_BUILD_ENV_GOLANG}"
 readonly OS_GLIDE_MINOR_VERSION="13"
diff --git a/openshift-hack/lib/deps.sh b/openshift-hack/lib/deps.sh
index 32f0ce9ab7b5b..6a9009823de1e 100644
--- a/openshift-hack/lib/deps.sh
+++ b/openshift-hack/lib/deps.sh
@@ -1,63 +1,5 @@
 #!/usr/bin/env bash
 
-# os::deps::path_with_recent_bash returns a path that includes a
-# recent bash (~ 5.x).
-#
-# Globals:
-#  None
-# Arguments:
-#  None
-# Returns:
-#  A path that includes a recent bash.
-function os::deps::path_with_recent_bash() {
-  local path_with_bash="${PATH}"
-  local bash_version
-  bash_version="$( bash --version | head -n 1 | awk '{print $4}' )"
-  if [[ ! "${bash_version}" =~ 5.* ]]; then
-    recent_bash_path="${TMPDIR:-/tmp}/recent-bash"
-    mkdir -p "${recent_bash_path}"
-    if [[ ! -f "${recent_bash_path}/bash" ]]; then
-      pushd "${recent_bash_path}" > /dev/null || exit 1
-        curl -LO https://ftp.gnu.org/gnu/bash/bash-5.0.tar.gz
-        tar xf bash-5.0.tar.gz
-        pushd bash-5.0 > /dev/null || exit 1
-          ./configure > configure.log
-          make > make.log
-          cp bash ../
-        popd > /dev/null || exit 1
-      popd > /dev/null || exit 1
-    fi
-    path_with_bash="${recent_bash_path}:${path_with_bash}"
-  fi
-  echo "${path_with_bash}"
-}
-readonly -f os::deps::path_with_recent_bash
-
-# os::deps::protoc returns a path that includes protoc.
-#
-# Globals:
-#  None
-# Arguments:
-#  None
-# Returns:
-#  The path that includes protoc.
-function os::deps::path_with_protoc() {
-  local path="${PATH}"
-  if ! which protoc &> /dev/null; then
-    local protoc_path="${TMPDIR:-/tmp}/protoc"
-    mkdir -p "${protoc_path}"
-    if [[ ! -f "${protoc_path}/bin/protoc" ]]; then
-      pushd "${protoc_path}" > /dev/null || exit 1
-        curl -LO https://github.com/protocolbuffers/protobuf/releases/download/v3.12.3/protoc-3.12.3-linux-x86_64.zip
-        unzip protoc-3.12.3-linux-x86_64.zip
-      popd > /dev/null || exit 1
-    fi
-    path="${PATH}:${protoc_path}/bin"
-  fi
-  echo "${path}"
-}
-readonly -f os::deps::path_with_protoc
-
 # os::deps::path_with_shellcheck returns a path that includes shellcheck.
 #
 # Globals:
diff --git a/openshift-hack/test-go.sh b/openshift-hack/test-go.sh
index 163002e10b451..30793e2b082df 100755
--- a/openshift-hack/test-go.sh
+++ b/openshift-hack/test-go.sh
@@ -3,14 +3,6 @@
 # shellcheck source=openshift-hack/lib/init.sh
 source "$(dirname "${BASH_SOURCE[0]}")/lib/init.sh"
 
-# Upstream testing requires recent bash (>= 4.3). If the system bash
-# is not recent (e.g openshift ci and macos), download and compile a
-# newer bash and make it available in the path.
-PATH="$( os::deps::path_with_recent_bash )"
-export PATH
-
-/usr/bin/env bash --version
-
 ARTIFACTS="${ARTIFACTS:-/tmp/artifacts}"
 mkdir -p "${ARTIFACTS}"
 
diff --git a/openshift-hack/test-integration.sh b/openshift-hack/test-integration.sh
index 33f22258cc955..93c3ea902b099 100755
--- a/openshift-hack/test-integration.sh
+++ b/openshift-hack/test-integration.sh
@@ -3,13 +3,6 @@
 # shellcheck source=openshift-hack/lib/init.sh
 source "$(dirname "${BASH_SOURCE[0]}")/lib/init.sh"
 
-# Upstream testing requires recent bash (>= 4.3). If the system bash
-# is not recent (e.g openshift ci and macos), download and compile a
-# newer bash and make it available in the path.
-PATH="$( os::deps::path_with_recent_bash )"
-
-/usr/bin/env bash --version
-
 ./hack/install-etcd.sh
 PATH="${OS_ROOT}/third_party/etcd:${PATH}"
 
diff --git a/openshift-hack/verify.sh b/openshift-hack/verify.sh
index c8864a6bb9c62..9361e8f4faea9 100755
--- a/openshift-hack/verify.sh
+++ b/openshift-hack/verify.sh
@@ -3,19 +3,6 @@
 # shellcheck source=openshift-hack/lib/init.sh
 source "$(dirname "${BASH_SOURCE[0]}")/lib/init.sh"
 
-# Upstream verify requires recent bash (>= 4.3). If the system bash is
-# not recent (e.g openshift ci and macos), download and compile a
-# newer bash and make it available in the path.
-PATH="$( os::deps::path_with_recent_bash )"
-
-/usr/bin/env bash --version
-
-# Upstream verify requires protoc (>= 3.0.0). If not present, download
-# a recent version and make it available in the path.
-PATH="$( os::deps::path_with_protoc )"
-
-/usr/bin/env protoc --version
-
 # Required for openapi verification
 PATH="$(pwd)/third_party/etcd:${PATH}"
 
diff --git a/openshift.spec b/openshift.spec
index e5ebdfceb54c8..c6695f46fd98a 100644
--- a/openshift.spec
+++ b/openshift.spec
@@ -6,7 +6,7 @@
 %global gopath      %{_datadir}/gocode
 %global import_path k8s.io/kubernetes
 
-%global golang_version 1.14
+%global golang_version 1.15
 
 %{!?commit:
 # DO NOT MODIFY: the value on the line below is sed-like replaced by openshift/doozer