diff --git a/libbpf_android/BpfUtils.cpp b/libbpf_android/BpfUtils.cpp
index d7f5c9b..3fc7cc9 100644
--- a/libbpf_android/BpfUtils.cpp
+++ b/libbpf_android/BpfUtils.cpp
@@ -86,8 +86,8 @@
 int setrlimitForTest() {
     // Set the memory rlimit for the test process if the default MEMLOCK rlimit is not enough.
     struct rlimit limit = {
-            .rlim_cur = TEST_LIMIT,
-            .rlim_max = TEST_LIMIT,
+            .rlim_cur = 8388608,  // 8 MiB
+            .rlim_max = 8388608,  // 8 MiB
     };
     int res = setrlimit(RLIMIT_MEMLOCK, &limit);
     if (res) {
diff --git a/libbpf_android/include/bpf/BpfUtils.h b/libbpf_android/include/bpf/BpfUtils.h
index 965840f..dc56277 100644
--- a/libbpf_android/include/bpf/BpfUtils.h
+++ b/libbpf_android/include/bpf/BpfUtils.h
@@ -19,7 +19,6 @@
 
 #include <linux/bpf.h>
 #include <linux/if_ether.h>
-#include <linux/in.h>
 #include <linux/unistd.h>
 #include <net/if.h>
 #include <stdlib.h>
@@ -30,15 +29,7 @@
 
 #include "android-base/unique_fd.h"
 
-#define BPF_PASS 1
-#define BPF_DROP 0
-
 #define ptr_to_u64(x) ((uint64_t)(uintptr_t)(x))
-#define DEFAULT_LOG_LEVEL 1
-
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
-
-#define TEST_LIMIT 8388608
 
 namespace android {
 namespace bpf {
@@ -55,10 +46,6 @@
     EXTENDED,
 };
 
-#ifndef DEFAULT_OVERFLOWUID
-#define DEFAULT_OVERFLOWUID 65534
-#endif
-
 constexpr const int OVERFLOW_COUNTERSET = 2;
 
 constexpr const uint64_t NONEXISTENT_COOKIE = 0;