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 4d6ccb3f4..000000000
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 d3729496c..000000000
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 6f65d4119..000000000
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 7de503024..000000000
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 5451b2202..000000000
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 fbd335261..000000000
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 dd14a7ae4..000000000
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 a1aea4f4a..000000000
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 f198f2944..000000000
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 e312a0b23..000000000
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 9fe81a3a3..000000000
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 e536c0466..000000000
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 edd8809e2..000000000
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 553334641..000000000
Binary files a/board/MAI/bios_emulator/scitech/src/pm/os2/dossctl.obj and /dev/null differ