diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 283b7c437440e73187d41bb25758f0dd24099b73..bf20cd7f2666d93de4391e53cd56dea58bdafac7 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -22,7 +22,6 @@
 
 #define KPROBE_EVENT_SYSTEM "kprobes"
 #define KRETPROBE_MAXACTIVE_MAX 4096
-#define MAX_KPROBE_CMDLINE_SIZE 1024
 
 /* Kprobe early definition from command line */
 static char kprobe_boot_events_buf[COMMAND_LINE_SIZE] __initdata;