diff --git a/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c
index 4e51785e7606..9af19dfe4e80 100644
--- a/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c
+++ b/tools/testing/selftests/bpf/progs/bpf_cc_cubic.c
@@ -22,10 +22,6 @@
 #define TCP_PACING_CA_RATIO (120)
 #define TCP_REORDERING (12)
 
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#define after(seq2, seq1) before(seq1, seq2)
-
 extern void cubictcp_init(struct sock *sk) __ksym;
 extern void cubictcp_cwnd_event(struct sock *sk, enum tcp_ca_event event) __ksym;
 extern __u32 cubictcp_recalc_ssthresh(struct sock *sk) __ksym;
@@ -34,11 +30,6 @@ extern __u32 tcp_reno_undo_cwnd(struct sock *sk) __ksym;
 extern void cubictcp_acked(struct sock *sk, const struct ack_sample *sample) __ksym;
 extern void cubictcp_cong_avoid(struct sock *sk, __u32 ack, __u32 acked) __ksym;
 
-static bool before(__u32 seq1, __u32 seq2)
-{
-	return (__s32)(seq1-seq2) < 0;
-}
-
 static __u64 div64_u64(__u64 dividend, __u64 divisor)
 {
 	return dividend / divisor;
diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c
index f089faa97ae6..46fb2b37d3a7 100644
--- a/tools/testing/selftests/bpf/progs/bpf_cubic.c
+++ b/tools/testing/selftests/bpf/progs/bpf_cubic.c
@@ -20,13 +20,6 @@
 char _license[] SEC("license") = "GPL";
 
 #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#define max(a, b) ((a) > (b) ? (a) : (b))
-static bool before(__u32 seq1, __u32 seq2)
-{
-	return (__s32)(seq1-seq2) < 0;
-}
-#define after(seq2, seq1) 	before(seq1, seq2)
 
 extern __u32 tcp_slow_start(struct tcp_sock *tp, __u32 acked) __ksym;
 extern void tcp_cong_avoid_ai(struct tcp_sock *tp, __u32 w, __u32 acked) __ksym;
diff --git a/tools/testing/selftests/bpf/progs/bpf_dctcp.c b/tools/testing/selftests/bpf/progs/bpf_dctcp.c
index 32c511bcd60b..1cc83140849f 100644
--- a/tools/testing/selftests/bpf/progs/bpf_dctcp.c
+++ b/tools/testing/selftests/bpf/progs/bpf_dctcp.c
@@ -13,16 +13,10 @@
 #ifndef EBUSY
 #define EBUSY 16
 #endif
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#define max(a, b) ((a) > (b) ? (a) : (b))
 #define min_not_zero(x, y) ({			\
 	typeof(x) __x = (x);			\
 	typeof(y) __y = (y);			\
 	__x == 0 ? __y : ((__y == 0) ? __x : min(__x, __y)); })
-static bool before(__u32 seq1, __u32 seq2)
-{
-	return (__s32)(seq1-seq2) < 0;
-}
 
 char _license[] SEC("license") = "GPL";
 
diff --git a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
index 17db400f0e0d..d8dacef37c16 100644
--- a/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
+++ b/tools/testing/selftests/bpf/progs/bpf_tracing_net.h
@@ -146,6 +146,20 @@
 
 #define tcp_jiffies32 ((__u32)bpf_jiffies64())
 
+#ifndef min
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+static inline bool before(__u32 seq1, __u32 seq2)
+{
+	return (__s32)(seq1 - seq2) < 0;
+}
+
+#define after(seq2, seq1) before(seq1, seq2)
+
 static inline struct inet_connection_sock *inet_csk(const struct sock *sk)
 {
 	return (struct inet_connection_sock *)sk;
diff --git a/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c b/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c
index a58b5194fc89..022291f21dfb 100644
--- a/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c
+++ b/tools/testing/selftests/bpf/progs/tcp_ca_write_sk_pacing.c
@@ -8,8 +8,6 @@ char _license[] SEC("license") = "GPL";
 
 #define USEC_PER_SEC 1000000UL
 
-#define min(a, b) ((a) < (b) ? (a) : (b))
-
 static unsigned int tcp_left_out(const struct tcp_sock *tp)
 {
 	return tp->sacked_out + tp->lost_out;