diff --git a/src/protocols/rdp/keymaps/base.keymap b/src/protocols/rdp/keymaps/base.keymap
index 99a980b7..6113118f 100644
--- a/src/protocols/rdp/keymaps/base.keymap
+++ b/src/protocols/rdp/keymaps/base.keymap
@@ -79,7 +79,6 @@ map      0x1D ~ 0xffe3 # Control_L
 map      0x9D ~ 0xffe4 # Control_R
 map      0x38 ~ 0xffe9 # Alt_L
 map +ext 0x38 ~ 0xffea # Alt_R
-map +ext 0x38 ~ 0xfe03 # ISO_Level3_Shift
 map +ext 0x5B ~ 0xffeb # Super_L
 map +ext 0x5C ~ 0xffec # Super_R
 map +ext 0x5D ~ 0xff67 # Menu