diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index 46d7d6ee8dc690ca36e873fe3c0aa91a4b818bfe..b22b143151acdf9c9fe156dcd3a6c83560f29e72 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -1,6 +1,3 @@
-CFLAGS = -I$(top_srcdir) @CFLAGS@
-CPPFLAGS = @CPPFLAGS@
-
 # We need .. to be searched before standard places, in order to pick
 # up the newly built libnettle.a/libnettle.so, rather than any
 # installed version.