diff --git a/src/lib/gstlal_cdf_weighted_chisq_P.c b/src/lib/gstlal_cdf_weighted_chisq_P.c
index 370f520df32aa5e4009fb5e3153f8f7dec3bc7c5..161990f184e4f0785b2e91928dc129d74685b752 100644
--- a/src/lib/gstlal_cdf_weighted_chisq_P.c
+++ b/src/lib/gstlal_cdf_weighted_chisq_P.c
@@ -47,7 +47,6 @@
 
 #include <stdlib.h>
 #include <math.h>
-#include <malloc.h>
 #include <setjmp.h>