diff --git a/src/devices/adsl/Makefile.am b/src/devices/adsl/Makefile.am
index a1908de4ea..1dbd5a3b4f 100644
--- a/src/devices/adsl/Makefile.am
+++ b/src/devices/adsl/Makefile.am
@@ -24,7 +24,6 @@ SYMBOL_VIS_FILE=$(srcdir)/exports.ver
 
 libnm_device_plugin_adsl_la_SOURCES = \
 	nm-atm-manager.c \
-	nm-atm-manager.h \
 	nm-device-adsl.c \
 	nm-device-adsl.h