diff --git a/M6502/HarteTest_6502/cycle_t.h b/M6502/HarteTest_6502/cycle_t.h
index 968e9b1..7fe9f9f 100644
--- a/M6502/HarteTest_6502/cycle_t.h
+++ b/M6502/HarteTest_6502/cycle_t.h
@@ -32,7 +32,6 @@ public:
 	[[nodiscard]] static action_t to_action(std::string value);
 	[[nodiscard]] static std::string to_string(action_t value);
 
-	cycle_t() {}
 	cycle_t(uint16_t address, uint8_t value, action_t action);
 	cycle_t(uint16_t address, uint8_t value, std::string action);
 
diff --git a/M6502/HarteTest_6502/state_t.h b/M6502/HarteTest_6502/state_t.h
index f2b0933..74bf46c 100644
--- a/M6502/HarteTest_6502/state_t.h
+++ b/M6502/HarteTest_6502/state_t.h
@@ -31,8 +31,6 @@ private:
     ram_t m_ram;
 
 public:
-    state_t();
-
 #ifdef USE_SIMDJSON_JSON
     state_t(simdjson::dom::element serialised);
 #endif