diff --git a/src/log_surgeon/finite_automata/RegexDFAStateType.hpp b/src/log_surgeon/finite_automata/RegexDFAStateType.hpp
deleted file mode 100644
index 8cb5ce0..0000000
--- a/src/log_surgeon/finite_automata/RegexDFAStateType.hpp
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef LOG_SURGEON_FINITE_AUTOMATA_REGEX_DFA_STATE_TYPE
-#define LOG_SURGEON_FINITE_AUTOMATA_REGEX_DFA_STATE_TYPE
-
-#include <cstdint>
-
-namespace log_surgeon::finite_automata {
-enum class RegexTypedDfaState : uint8_t {
-    Byte,
-    UTF8
-};
-}  // namespace log_surgeon::finite_automata
-
-#endif  // LOG_SURGEON_FINITE_AUTOMATA_REGEX_DFA_STATE_TYPE