diff --git a/integration/genfiles.go b/integration/genfiles.go
index c66b800e..c390377e 100644
--- a/integration/genfiles.go
+++ b/integration/genfiles.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import (
diff --git a/integration/json.go b/integration/json.go
index fc1d1ad8..d187ce0e 100644
--- a/integration/json.go
+++ b/integration/json.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import (
diff --git a/integration/md5r.go b/integration/md5r.go
index b0cbc25f..9923db07 100644
--- a/integration/md5r.go
+++ b/integration/md5r.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import (