diff --git a/src/libcharon/plugins/tnc_imc/Makefile.am b/src/libcharon/plugins/tnc_imc/Makefile.am
index 5e2c30df9..fc1979525 100644
--- a/src/libcharon/plugins/tnc_imc/Makefile.am
+++ b/src/libcharon/plugins/tnc_imc/Makefile.am
@@ -1,8 +1,6 @@
 
 INCLUDES = \
 	-I$(top_srcdir)/src/libstrongswan \
-	-I$(top_srcdir)/src/libhydra \
-	-I$(top_srcdir)/src/libcharon \
 	-I$(top_srcdir)/src/libtncif \
 	-I$(top_srcdir)/src/libtnccs
 
diff --git a/src/libcharon/plugins/tnccs_11/Makefile.am b/src/libcharon/plugins/tnccs_11/Makefile.am
index c517e36fc..c205692d4 100644
--- a/src/libcharon/plugins/tnccs_11/Makefile.am
+++ b/src/libcharon/plugins/tnccs_11/Makefile.am
@@ -1,8 +1,6 @@
 
 INCLUDES = \
 	-I$(top_srcdir)/src/libstrongswan \
-	-I$(top_srcdir)/src/libhydra \
-	-I$(top_srcdir)/src/libcharon \
 	-I$(top_srcdir)/src/libtls \
 	-I$(top_srcdir)/src/libtncif \
 	-I$(top_srcdir)/src/libtnccs \