diff --git a/tests/Makefile.am b/tests/Makefile.am
index 74da4aa46..66a0addc9 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -504,7 +504,6 @@ ECB_MODFILES = \
 	pac/trend-component-29/example2.mod \
 	pac/trend-component-29/example2.mod \
 	pac/trend-component-30/example.mod \
-	pac/trend-component-31/example.mod \
 	write/example1.mod \
 	ecb/backward-models/irf/solow_1.mod \
 	ecb/backward-models/irf/solow_2.mod \