diff --git a/icons/firebird/firebird-original.old.svg b/icons/firebird/firebird-original.old.svg
deleted file mode 100644
index f4b604d3..00000000
--- a/icons/firebird/firebird-original.old.svg
+++ /dev/null
@@ -1 +0,0 @@
-
\ No newline at end of file
diff --git a/icons/firebird/firebird-plain.old.svg b/icons/firebird/firebird-plain.old.svg
deleted file mode 100644
index fea4ec69..00000000
--- a/icons/firebird/firebird-plain.old.svg
+++ /dev/null
@@ -1,12 +0,0 @@
-