diff --git a/Makefile b/Makefile
index 48340f5..f867ef2 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,6 @@ all: package.pb.go machine.pb.go vet
 vet:
 	@GO111MODULE=off go vet
 	@echo this go library package builds okay
-	GO111MODULE=off go vet
 
 # autofixes your import headers in your golang files
 goimports:
@@ -26,7 +25,7 @@ clean:
 	-rm -f go.*
 
 package.pb.go: package.proto
-	autogenpb --proto package.proto --mutex
+	autogenpb --proto package.proto
 
 machine.pb.go: machine.proto
-	autogenpb --proto machine.proto --mutex
+	autogenpb --proto machine.proto
diff --git a/machine.proto b/machine.proto
index 67bc697..b0bf5aa 100644
--- a/machine.proto
+++ b/machine.proto
@@ -5,6 +5,8 @@ package gitpb;
 import "package.proto";
 import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
 
+// global settings for autogenpb `autogenpb:mutex`
+
 message Machine {			// `autogenpb:marshal`
   string hostname 		= 1;	// `autogenpb:unique`
   int64 memory 			= 2;
diff --git a/package.proto b/package.proto
index d56a957..9dc301b 100644
--- a/package.proto
+++ b/package.proto
@@ -5,6 +5,8 @@ package gitpb;
 // import "google/protobuf/duration.proto"; // Import the well-known type for Timestamp
 import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
 
+// global settings for autogenpb `autogenpb:mutex`
+
 message Package {
 	string	name 				= 1;	// `autogenpb:unique` // name: zookeeper-go
 	string	version 			= 2;	// version: 0.0.3