diff --git a/hack/lib/golang.sh b/hack/lib/golang.sh
index 410032cc703..ca44f0f103a 100755
--- a/hack/lib/golang.sh
+++ b/hack/lib/golang.sh
@@ -964,6 +964,7 @@ kube::golang::build_binaries() {
     if [[ ${#targets[@]} -eq 0 ]]; then
       targets=("${KUBE_ALL_TARGETS[@]}")
     fi
+    kube::util::read-array targets < <(kube::golang::dedup "${targets[@]}")
 
     local -a platforms
     IFS=" " read -ra platforms <<< "${KUBE_BUILD_PLATFORMS:-}"
@@ -972,7 +973,7 @@ kube::golang::build_binaries() {
     fi
 
     local -a binaries
-    while IFS="" read -r binary; do binaries+=("$binary"); done < <(kube::golang::binaries_from_targets "${targets[@]}")
+    kube::util::read-array binaries < <(kube::golang::binaries_from_targets "${targets[@]}")
 
     local parallel=false
     if [[ ${#platforms[@]} -gt 1 ]]; then
diff --git a/hack/lib/util.sh b/hack/lib/util.sh
index 70568f76fa6..a16f6e57473 100755
--- a/hack/lib/util.sh
+++ b/hack/lib/util.sh
@@ -832,8 +832,8 @@ function kube::util::md5() {
 # kube::util::read-array
 # Reads in stdin and adds it line by line to the array provided. This can be
 # used instead of "mapfile -t", and is bash 3 compatible.  If the named array
-# exists and is an array, it will be used.  Otherwise it will be unset and
-# recreated.
+# exists and is an array, it will be overwritten.  Otherwise it will be unset
+# and recreated.
 #
 # Assumed vars:
 #   $1 (name of array to create/modify)