diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/dmake b/board/MAI/bios_emulator/scitech/bin-linux/glibc/dmake
deleted file mode 100755
index 4d6ccb3f46ee6c0e2ca1e75884595e043b3ec097..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/dmake and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_cp b/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_cp
deleted file mode 100755
index d3729496cea1d2f1343461ba075008530d59f976..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_cp and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_echo b/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_echo
deleted file mode 100755
index 6f65d4119a12bcc011f6216c0ee6880b21728553..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_echo and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_rm b/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_rm
deleted file mode 100755
index 7de503024bbda1121f4090bd5d1e9f14f78a2bee..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/k_rm and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/makedep b/board/MAI/bios_emulator/scitech/bin-linux/glibc/makedep
deleted file mode 100755
index 5451b2202499abaebd300b404406f7f4fb395c14..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/makedep and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/nasm b/board/MAI/bios_emulator/scitech/bin-linux/glibc/nasm
deleted file mode 100755
index fbd335261cbac7c89678d8c6326b5bd02c0ce976..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/nasm and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/ndisasm b/board/MAI/bios_emulator/scitech/bin-linux/glibc/ndisasm
deleted file mode 100755
index dd14a7ae41def58b20bca94a5d01a22f5d6ab70c..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/ndisasm and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/glibc/trans b/board/MAI/bios_emulator/scitech/bin-linux/glibc/trans
deleted file mode 100755
index a1aea4f4ad2199bdc7a0067bc2845fc31f9447b7..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/glibc/trans and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/libc/dmake b/board/MAI/bios_emulator/scitech/bin-linux/libc/dmake
deleted file mode 100755
index f198f294431a80eefc3705e4bdeb593064da5b19..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/libc/dmake and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/libc/nasm b/board/MAI/bios_emulator/scitech/bin-linux/libc/nasm
deleted file mode 100755
index e312a0b2394252ac0e86a67af467f76a7d4522a7..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/libc/nasm and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/libc/ndisasm b/board/MAI/bios_emulator/scitech/bin-linux/libc/ndisasm
deleted file mode 100755
index 9fe81a3a3e9c01568eb6ca707c052e726e74dc7b..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/libc/ndisasm and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/bin-linux/libc/trans b/board/MAI/bios_emulator/scitech/bin-linux/libc/trans
deleted file mode 100755
index e536c0466d5983df247985d520f83960f9e231c7..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/bin-linux/libc/trans and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/makedefs/makedefs.prj b/board/MAI/bios_emulator/scitech/makedefs/makedefs.prj
deleted file mode 100644
index edd8809e29703910feeca27a5c3d465461aff1de..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/makedefs/makedefs.prj and /dev/null differ
diff --git a/board/MAI/bios_emulator/scitech/src/pm/os2/dossctl.obj b/board/MAI/bios_emulator/scitech/src/pm/os2/dossctl.obj
deleted file mode 100644
index 5533346410ec6f20314d8a61bb302753005160fc..0000000000000000000000000000000000000000
Binary files a/board/MAI/bios_emulator/scitech/src/pm/os2/dossctl.obj and /dev/null differ