diff --git a/Applications/Official/DEV_FW/Tools/dtmf_dolphin.fap b/Applications/Official/DEV_FW/Tools/dtmf_dolphin.fap deleted file mode 100644 index b2b4c3e7..00000000 Binary files a/Applications/Official/DEV_FW/Tools/dtmf_dolphin.fap and /dev/null differ