diff --git a/source/posix/system_resource_utils.c b/source/posix/system_resource_utils.c
index 9d7834b19..1f8f5a723 100644
--- a/source/posix/system_resource_utils.c
+++ b/source/posix/system_resource_utils.c
@@ -6,7 +6,6 @@
 #include <aws/common/system_resource_util.h>
 
 #include <sys/resource.h>
-#include <libproc.h>
 
 int aws_init_memory_usage_for_current_process(struct aws_memory_usage *memory_usage) {
     AWS_PRECONDITION(memory_usage);