diff --git a/include/pocketpy/common.h b/include/pocketpy/common.h
index b4f7b7fc..ac7d1998 100644
--- a/include/pocketpy/common.h
+++ b/include/pocketpy/common.h
@@ -22,7 +22,7 @@
 #include <random>
 #include <bitset>
 
-#define PK_VERSION				"1.2.4"
+#define PK_VERSION				"1.2.5"
 
 #include "config.h"
 #include "export.h"
diff --git a/src/str.cpp b/src/str.cpp
index e82d8e25..1aa713ef 100644
--- a/src/str.cpp
+++ b/src/str.cpp
@@ -1,7 +1,4 @@
 #include "pocketpy/str.h"
-#include <_types/_uint16_t.h>
-#include <_types/_uint32_t.h>
-#include <stdexcept>
 
 namespace pkpy {