diff --git a/src/Makefile.am b/src/Makefile.am
index 8f42806..551fe43 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,4 @@
 EXTRA_DIST =
-pkginclude_HEADERS = modbus.h
 lib_LTLIBRARIES = libmodbus.la
 
 AM_CPPFLAGS = \