diff --git a/src/IRrecv.h b/src/IRrecv.h
index e681b91f0..c777758cc 100644
--- a/src/IRrecv.h
+++ b/src/IRrecv.h
@@ -86,11 +86,7 @@ typedef struct {
   uint8_t timeout;   // Nr. of milliSeconds before we give up.
 } irparams_t;
 
-#if __cplusplus >= 202002L
 typedef volatile irparams_t atomic_irparams_t;
-#else
-typedef volatile irparams_t atomic_irparams_t;
-#endif
 
 /// Results from a data match
 typedef struct {
diff --git a/src/IRremoteESP8266.h b/src/IRremoteESP8266.h
index 6d5497b05..b1140f259 100644
--- a/src/IRremoteESP8266.h
+++ b/src/IRremoteESP8266.h
@@ -54,15 +54,13 @@
 #if __cplusplus >= 202002L
 #include <atomic>
 typedef std::atomic< bool > atomic_bool;
-typedef volatile uint16_t atomic_uint16_t;
-typedef volatile const uint16_t atomic_const_uint16_t;
 typedef std::atomic<uint32_t> atomic_uint32_t;
 #else
 typedef volatile bool atomic_bool;
-typedef volatile uint16_t atomic_uint16_t;
-typedef volatile const uint16_t atomic_const_uint16_t;
 typedef volatile uint32_t atomic_uint32_t;
 #endif
+typedef volatile uint16_t atomic_uint16_t;
+typedef volatile const uint16_t atomic_const_uint16_t;
 
 // Library Version Information
 // Major version number (X.x.x)