diff --git a/hack/make/dyntest-integration b/hack/make/dyntest-integration
index 5015c10969..1cc7349aba 100644
--- a/hack/make/dyntest-integration
+++ b/hack/make/dyntest-integration
@@ -11,14 +11,8 @@ fi
 
 (
 	export TEST_DOCKERINIT_PATH="$INIT"
-	export LDFLAGS_STATIC_DOCKER=""
-	cat > dockerversion/init.go <<EOF
-// AUTOGENERATED FILE; see hack/make/dynbinary, hack/make/dyntest-integration and dyntest-unit
-package dockerversion
-
-func init() {
-	INITSHA1 = "$DOCKER_INITSHA1"
-}
-EOF
+	export LDFLAGS_STATIC_DOCKER="
+		-X $DOCKER_PKG/dockerversion.INITSHA1 \"$DOCKER_INITSHA1\"
+	"
 	source "$(dirname "$BASH_SOURCE")/test-integration"
 )
diff --git a/hack/make/dyntest-unit b/hack/make/dyntest-unit
index 32cd8136bc..cffef98512 100644
--- a/hack/make/dyntest-unit
+++ b/hack/make/dyntest-unit
@@ -11,14 +11,8 @@ fi
 
 (
 	export TEST_DOCKERINIT_PATH="$INIT"
-	export LDFLAGS_STATIC_DOCKER=""
-	cat > dockerversion/init.go <<EOF
-// AUTOGENERATED FILE; see hack/make/dynbinary, hack/make/dyntest-integration and dyntest-unit
-package dockerversion
-
-func init() {
-	INITSHA1 = "$DOCKER_INITSHA1"
-}
-EOF
+	export LDFLAGS_STATIC_DOCKER="
+		-X $DOCKER_PKG/dockerversion.INITSHA1 \"$DOCKER_INITSHA1\"
+	"
 	source "$(dirname "$BASH_SOURCE")/test-unit"
 )