diff --git a/help/D/licences.txt b/help/D/licences.txt
deleted file mode 100644
index 2d4c5886..00000000
--- a/help/D/licences.txt
+++ /dev/null
@@ -1 +0,0 @@
-The thunder sound on Orpheon is used by limited permission from CREATIVE.
diff --git a/help/E/licences.txt b/help/E/licences.txt
deleted file mode 100644
index 2d4c5886..00000000
--- a/help/E/licences.txt
+++ /dev/null
@@ -1 +0,0 @@
-The thunder sound on Orpheon is used by limited permission from CREATIVE.
diff --git a/help/F/licences.txt b/help/F/licences.txt
deleted file mode 100644
index 395790e5..00000000
--- a/help/F/licences.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-Le son de tonnerre de la planète Orphéon est utilisé avec l'autorisation limitée de CREATIVE moyennant la mention:
-Material from products are used by limited permission from CREATIVE.
diff --git a/help/P/licences.txt b/help/P/licences.txt
deleted file mode 100644
index 5db5f1f7..00000000
--- a/help/P/licences.txt
+++ /dev/null
@@ -1 +0,0 @@
-Dźwięk grzmotu na Orfenii został użyty za ograniczoną zgodą firmy CREATIVE.
diff --git a/sounds/sound076.wav b/sounds/sound076.wav
index 1077353e..be3a47b2 100644
Binary files a/sounds/sound076.wav and b/sounds/sound076.wav differ