diff --git a/src/maps/perf_event_array.cpp b/src/maps/perf_event_array.cpp
index 66214e8..8ffc20d 100644
--- a/src/maps/perf_event_array.cpp
+++ b/src/maps/perf_event_array.cpp
@@ -1,8 +1,10 @@
-#include "perf_event_array.h"
+#include "maps/perf_event_array.h"
 #include "core/bpf_exception.h"
 #include "core/bpf_map.h"
 #include "core/bpf_object.h"
 #include "utils/struct_parser.h"
+#include <cerrno>
+#include <cstring>
 
 PerfEventArray::PerfEventArray(std::shared_ptr<BpfMap> map, int page_cnt,
                                py::function callback, py::object lost_callback)
diff --git a/src/maps/perf_event_array.h b/src/maps/perf_event_array.h
index d35aceb..1a1cba9 100644
--- a/src/maps/perf_event_array.h
+++ b/src/maps/perf_event_array.h
@@ -3,7 +3,6 @@
 
 #include <libbpf.h>
 #include <memory>
-#include <pybind11/functional.h>
 #include <pybind11/pybind11.h>
 #include <string>