diff --git a/src/headers/lex.hpp b/src/headers/lex.hpp
index 635b4be..4a8903d 100644
--- a/src/headers/lex.hpp
+++ b/src/headers/lex.hpp
@@ -20,17 +20,9 @@ struct tok {
     static auto inverseLCharacter(const unsigned char& character) {
         return static_cast<unsigned char>(((character + 2) - (character == tok::LPAR)));
     };
-    const type toktype;
-    const std::string toktext;
-    const unsigned long line;
-    tok& operator=(const tok& other) {
-        if (this != &other) {
-            const_cast<type&>(toktype) = other.toktype;
-            const_cast<std::string&>(toktext) = other.toktext;
-            const_cast<unsigned long&>(line) = other.line;
-        }
-        return *this;
-    }
+    type toktype;
+    std::string toktext;
+    unsigned long line;
     tok(): toktype(UNEXPECTED), toktext(), line(0) {};
     tok(const type& Type, std::string_view Text, const decltype(line)& line = 0): toktype(Type), toktext(Text), line(line) {}
     explicit tok(const type& Type, const decltype(line)& line = 0): tok(Type, std::string(1, Type), line) {};