diff --git a/backend/icu.cpp b/backend/icu.cpp
index 9a50c04..e950163 100644
--- a/backend/icu.cpp
+++ b/backend/icu.cpp
@@ -62,8 +62,6 @@ static inline php_ustring_t *php_ustring_copy_ex(php_ustring_t *target, php_ustr
 
 static inline zval *_php_ustring_zval_copy_ex(zval *target, php_ustring_t *source, int32_t offset, int32_t length TSRMLS_DC)
 {
-	TSRMLS_FETCH();
-
 	object_init_ex(target, ce_UString);
 
 	php_ustring_copy_ex(php_ustring_fetch(target), source, offset, length);
diff --git a/ustring.cpp b/ustring.cpp
index aa2d137..077e76d 100644
--- a/ustring.cpp
+++ b/ustring.cpp
@@ -22,7 +22,9 @@
 #include "config.h"
 #endif
 
+#ifdef _WIN32
 #include "unicode/unistr.h"
+#endif
 
 extern "C" {
 #    include "php.h"