diff --git a/backends/firrtl/firrtl.cc b/backends/firrtl/firrtl.cc
index eb30ab4b9..531b2f01f 100644
--- a/backends/firrtl/firrtl.cc
+++ b/backends/firrtl/firrtl.cc
@@ -21,7 +21,6 @@
 #include "kernel/register.h"
 #include "kernel/sigtools.h"
 #include "kernel/celltypes.h"
-#include "kernel/cellaigs.h"
 #include "kernel/log.h"
 #include "kernel/mem.h"
 #include <algorithm>
diff --git a/backends/jny/jny.cc b/backends/jny/jny.cc
index 0be11a52c..9989feed5 100644
--- a/backends/jny/jny.cc
+++ b/backends/jny/jny.cc
@@ -21,7 +21,6 @@
 #include "kernel/register.h"
 #include "kernel/sigtools.h"
 #include "kernel/celltypes.h"
-#include "kernel/cellaigs.h"
 #include "kernel/log.h"
 #include <string>
 #include <algorithm>