diff --git a/genworld_gui.c b/genworld_gui.c
index ee18fb2279..807664860c 100644
--- a/genworld_gui.c
+++ b/genworld_gui.c
@@ -163,7 +163,7 @@ static void StartGeneratingLandscape(glwp_modes mode)
 	/* Copy all XXX_newgame to XXX */
 	UpdatePatches();
 	_opt_ptr = &_opt;
-	memcpy(_opt_ptr, &_opt_newgame, sizeof(GameOptions));
+	*_opt_ptr = _opt_newgame;
 	/* Load the right landscape stuff */
 	GfxLoadSprites();
 
diff --git a/newgrf.c b/newgrf.c
index c984d44c57..dfd05c9c5b 100644
--- a/newgrf.c
+++ b/newgrf.c
@@ -1272,7 +1272,7 @@ static bool SoundEffectChangeInfo(uint sid, int numinfo, int prop, byte **bufp,
 					FileEntry *oldfe = GetSound(orig_sound);
 
 					/* Literally copy the data of the new sound over the original */
-					memcpy(oldfe, newfe, sizeof(*oldfe));
+					*oldfe = *newfe;
 				}
 			}
 			break;
@@ -2939,7 +2939,7 @@ static void ImportGRFSound(byte *buf, int len)
 
 	grfmsg(GMS_NOTICE, "ImportGRFSound: Copying sound %d (%d) from file %X", sound, file->sound_offset + sound, grfid);
 
-	memcpy(se, GetSound(file->sound_offset + sound), sizeof(*se));
+	*se = *GetSound(file->sound_offset + sound);
 
 	/* Reset volume and priority, which TTDPatch doesn't copy */
 	se->volume   = 128;
diff --git a/openttd.c b/openttd.c
index d185237adb..fceee47d2f 100644
--- a/openttd.c
+++ b/openttd.c
@@ -456,7 +456,7 @@ int ttd_main(int argc, char *argv[])
 
 	/* Make sure _patches is filled with _patches_newgame if we switch to a game directly */
 	if (_switch_mode != SM_NONE) {
-		memcpy(&_opt, &_opt_newgame, sizeof(_opt));
+		_opt = _opt_newgame;
 		GfxLoadSprites();
 		UpdatePatches();
 	}
@@ -662,7 +662,7 @@ static void StartScenario(void)
 	}
 
 	_opt_ptr = &_opt;
-	memcpy(&_opt_ptr->diff, &_opt_newgame.diff, sizeof(_opt_ptr->diff));
+	_opt_ptr->diff = _opt_newgame.diff;
 	_opt.diff_level = _opt_newgame.diff_level;
 
 	// Inititalize data
diff --git a/settings_gui.c b/settings_gui.c
index 57c56ea5af..88586746a1 100644
--- a/settings_gui.c
+++ b/settings_gui.c
@@ -554,7 +554,7 @@ void ShowGameDifficulty(void)
 	DeleteWindowById(WC_GAME_OPTIONS, 0);
 	/* Copy current settings (ingame or in intro) to temporary holding place
 	 * change that when setting stuff, copy back on clicking 'OK' */
-	memcpy(&_opt_mod_temp, _opt_ptr, sizeof(GameOptions));
+	_opt_mod_temp = *_opt_ptr;
 	AllocateWindowDesc(&_game_difficulty_desc);
 }
 
diff --git a/sound.c b/sound.c
index f8d194c973..af8c6ca536 100644
--- a/sound.c
+++ b/sound.c
@@ -186,7 +186,7 @@ void SndCopyToPool(void)
 		FileEntry *orig = &_files[_sound_idx[i]];
 		FileEntry *fe = AllocateFileEntry();
 
-		memcpy(fe, orig, sizeof(*orig));
+		*fe = *orig;
 		fe->volume = _sound_base_vol[i];
 		fe->priority = 0;
 	}