diff --git a/src/modifiers.jl b/src/modifiers.jl
deleted file mode 100755
index 5e1f449..0000000
--- a/src/modifiers.jl
+++ /dev/null
@@ -1,121 +0,0 @@
-"""
-   Partial(dist)
-
-Creates the `Partial{dist}` distance.
-
-`Partial{dist}` modifies the string distance `dist` to return the 
-minimum distance  between the shorter string and substrings of the longer string
-
-### Examples
-```julia-repl
-julia> s1 = "New York Mets vs Atlanta Braves"
-julia> s2 = "Atlanta Braves vs New York Mets"
-julia> evaluate(Partial(RatcliffObershelp()), s1, s2)
-0.5483870967741935
-```
-"""
-struct Partial{S <: SemiMetric} <: SemiMetric
-    dist::S
-end
-
-function (dist::Partial)(s1, s2, max_dist = nothing)
-    s1, s2 = reorder(s1, s2)
-    len1, len2 = length(s1), length(s2)
-    out = dist.dist(s1, s2, max_dist)
-    len1 == len2 && return out
-    len1 == 0 && return out
-    for x in qgrams(s2, len1)
-        curr = dist.dist(s1, x, max_dist)
-        out = min(out, curr)
-        max_dist !== nothing && (max_dist = min(out, max_dist))
-    end
-    return out
-end
-
-function (dist::Partial{RatcliffObershelp})(s1, s2, max_dist = nothing)
-    s1, s2 = reorder(s1, s2)
-    len1, len2 = length(s1), length(s2)
-    len1 == len2 && return dist.dist(s1, s2)
-    out = 1.0
-    for r in matching_blocks(s1, s2)
-        # Make sure the substring of s2 has length len1
-        s2_start = r[2] - r[1] + 1
-        s2_end = s2_start + len1 - 1
-        if s2_start < 1
-            s2_end += 1 - s2_start
-            s2_start += 1 - s2_start
-        elseif s2_end > len2
-            s2_start += len2 - s2_end
-            s2_end += len2 - s2_end
-        end
-        curr = dist.dist(s1, _slice(s2, s2_start, s2_end))
-        out = min(out, curr)
-    end
-    return out
-end
-
-"""
-   TokenSort(dist)
-
-Creates the `TokenSort{dist}` distance.
-
-`TokenSort{dist}` modifies the string distance `dist` to adjust for differences 
-in word orders by reording words alphabetically.
-
-### Examples
-```julia-repl
-julia> s1 = "New York Mets vs Atlanta Braves"
-julia> s1 = "New York Mets vs Atlanta Braves"
-julia> s2 = "Atlanta Braves vs New York Mets"
-julia> evaluate(TokenSort(RatcliffObershelp()), s1, s2)
-0.0
-```
-"""
-struct TokenSort{S <: SemiMetric} <: SemiMetric
-    dist::S
-end
-
-# http://chairnerd.seatgeek.com/fuzzywuzzy-fuzzy-string-matching-in-python/
-function (dist::TokenSort)(s1::AbstractString, s2::AbstractString, max_dist = nothing)
-    s1 = join(sort!(split(s1)), " ")
-    s2 = join(sort!(split(s2)), " ")
-    out = dist.dist(s1, s2, max_dist)
-end
-
-"""
-   TokenSet(dist)
-
-Creates the `TokenSet{dist}` distance.
-
-`TokenSet{dist}` modifies the string distance `dist` to adjust for differences 
-in word orders and word numbers by comparing the intersection of two strings with each string.
-
-### Examples
-```julia-repl
-julia> s1 = "New York Mets vs Atlanta"
-julia> s2 = "Atlanta Braves vs New York Mets"
-julia> evaluate(TokenSet(RatcliffObershelp()), s1, s2)
-0.0
-```
-"""
-struct TokenSet{S <: SemiMetric} <: SemiMetric
-    dist::S
-end
-
-# http://chairnerd.seatgeek.com/fuzzywuzzy-fuzzy-string-matching-in-python/
-function (dist::TokenSet)(s1::AbstractString, s2::AbstractString, max_dist = nothing)
-    v1 = unique!(sort!(split(s1)))
-    v2 = unique!(sort!(split(s2)))
-    v0 = intersect(v1, v2)
-    s0 = join(v0, " ")
-    s1 = join(v1, " ")
-    s2 = join(v2, " ")
-    isempty(s0) && return dist.dist(s1, s2, max_dist)
-    score_01 = dist.dist(s0, s1, max_dist)
-    max_dist !== nothing && (max_dist = min(max_dist, score_01))
-    score_02 = dist.dist(s0, s2, max_dist)
-    max_dist !== nothing && (max_dist = min(max_dist, score_02))
-    score_12 = dist.dist(s1, s2, max_dist)
-    min(score_01, score_02, score_12)
-end
-