diff --git a/source/common/crypto/rc4.cpp b/source/common/crypto/rc4.cpp
index 76735c1..3a6f1c7 100644
--- a/source/common/crypto/rc4.cpp
+++ b/source/common/crypto/rc4.cpp
@@ -2,14 +2,14 @@
 // Licensed under GPL v3
 
 #include "rc4.h"
-#include <algorithm>
-#include <cstring>
-#include <numeric>
+#include <cstddef>
 
 static constexpr std::array<uchar, 256> get_init_state() noexcept
 {
 	std::array<uchar, 256> state{};
-	std::iota(state.begin(), state.end(), 0);
+	for (std::size_t i = 0; i < 256; ++i) {
+		state[i] = static_cast<uchar>(i);
+	}
 	return state;
 }