diff --git a/Userland/Libraries/LibC/serenity.cpp b/Userland/Libraries/LibC/serenity.cpp
index f3a0517e94..d91c8ceae8 100644
--- a/Userland/Libraries/LibC/serenity.cpp
+++ b/Userland/Libraries/LibC/serenity.cpp
@@ -62,6 +62,12 @@ int profiling_disable(pid_t pid)
     __RETURN_WITH_ERRNO(rc, rc, -1);
 }
 
+int profiling_free_buffer(pid_t pid)
+{
+    int rc = syscall(SC_profiling_free_buffer, pid);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
+
 int futex(uint32_t* userspace_address, int futex_op, uint32_t value, const struct timespec* timeout, uint32_t* userspace_address2, uint32_t value3)
 {
     int rc;
diff --git a/Userland/Libraries/LibC/serenity.h b/Userland/Libraries/LibC/serenity.h
index 8a7f632a0b..80532970a0 100644
--- a/Userland/Libraries/LibC/serenity.h
+++ b/Userland/Libraries/LibC/serenity.h
@@ -39,6 +39,7 @@ int module_unload(const char* name, size_t name_length);
 
 int profiling_enable(pid_t);
 int profiling_disable(pid_t);
+int profiling_free_buffer(pid_t);
 
 #define THREAD_PRIORITY_MIN 1
 #define THREAD_PRIORITY_LOW 10