diff --git a/m4/mpi-config.m4 b/m4/mpi-config.m4
index 232277bffb7b6417254e228aba2fce0556d14909..c02e03b54ed68caa1cb3b1e527f8d8995307fad6 100644
--- a/m4/mpi-config.m4
+++ b/m4/mpi-config.m4
@@ -36,7 +36,6 @@ test_lam () {
   cat >conftest.c <<_EOF
 #include <mpi.h>
 #include <stdio.h>
-#include <lam_config.h>
 
 int main() {
   printf ("%i%i\n", LAM_MAJOR_VERSION, LAM_MINOR_VERSION);