diff --git a/doc/functions b/doc/functions
deleted file mode 100644
index 37d1e79451018..0000000000000
--- a/doc/functions
+++ /dev/null
@@ -1,195 +0,0 @@
-basic functions:
-+
--
-*
-.*
-./, .\
-%
-rem
->
-<
->=
-<=
-==
-!=
-.>
-.<
-.>=
-.<=
-.==
-.!=
-<<
->>
-|
-&
-$
-~
-iszero
-isinf
-isnan
-isreal
-iscomplex
-isinteger
-iseven
-isodd
-isprime
-min
-max
-sin
-cos
-sincos
-tan
-asin
-acos
-atan
-sinh
-cosh
-tanh
-asinh
-acosh
-atanh
-atan2
-sinc
-cosc
-sec
-csc
-asec
-acsc
-acot
-sech
-csch
-coth
-asech
-acsch
-acoth
-cis
-arg
-hypot
-log
-ln
-log2
-logb
-sqrt
-realsqrt
-cbrt
-exp
-ldexp
-copysign
-round
-trunc
-floor
-ceil
-abs
-sign
-signbit
-ipart
-fpart
-re
-im
-conj
-nPr
-nCr
-powermod
-invmod
-fib
-factors
-gcd
-lcm
-
-special functions:
-erf
-erfc
-ierf
-I0
-I1
-K0
-K1
-j0
-j1
-jn
-y0
-y1
-yn
-yv
-gamma
-lngamma
-fact
-lnfact
-beta
-cbeta
-zeta
-zetam1
-eta
-Li
-digamma
-
-number format:
-hex2num
-num2hex
-exponent
-mantissa
-nthdouble
-
-matrix, array functions:
-'
-.'
-:
-size
-zeros
-ones
-eye
-diag
-dot
-cross
-sum
-prod
-min
-max
-shift
-flip
-rot90
-repmat
-reshape
-cat
-mean
-var
-cov
-stdev
-pad
-clamp
-thold
-hist
-sort
-randperm
-tril
-triu
-find
-fft
-ifft
-conv2
-filter
-trapz
-cast/convert
-reinterpret
-bswap
-
-linear algebra:
-norm
-det
-rank
-lu
-qr
-\, /
-svd
-eig
-inv
-chol
-schur
-ref
-rref
-matexp
-
-random numbers:
-rand
-randn
-srand