diff --git a/README.md b/README.md
index eeb0d4ba4..afa280082 100644
--- a/README.md
+++ b/README.md
@@ -68,9 +68,6 @@ Currently, the `@compat` macro supports the following syntaxes:
 
 * Single-argument `permutedims(x)` for matrices and vectors ([#24839]).
 
-* `something` to get the first argument different from `nothing`, unwrapping those
-  of the `Some` type ([#27258]).
-
 * `mapslices` with `dims` keyword argument ([#27828]).
 
 * `hasproperty` and `hasfield` ([#28850]).
diff --git a/src/Compat.jl b/src/Compat.jl
index fd1be5feb..17dcefa07 100644
--- a/src/Compat.jl
+++ b/src/Compat.jl
@@ -78,14 +78,6 @@ end
     end
 end
 
-if VERSION < v"0.7.0-DEV.5278"
-    something() = throw(ArgumentError("No value arguments present"))
-    something(x::Nothing, y...) = something(y...)
-    something(x::Some, y...) = x.value
-    something(x::Any, y...) = x
-    export something
-end
-
 if !isdefined(LinearAlgebra, :opnorm) # julia#27401
     opnorm(A::AbstractMatrix, p::Real=2) = LinearAlgebra.norm(A, p)
     const norm = LinearAlgebra.vecnorm
diff --git a/test/old.jl b/test/old.jl
index b874932fe..b20dd030c 100644
--- a/test/old.jl
+++ b/test/old.jl
@@ -1196,3 +1196,9 @@ let s = "∀α>β:α+1>β"
         end
     end
 end
+
+# 0.7.0-DEV.5278
+@test something(nothing, 1) === 1
+@test something(Some(2)) === 2
+@test something(Some(2), 1) === 2
+@test something(nothing, Some(1)) === 1
diff --git a/test/runtests.jl b/test/runtests.jl
index 87be199f7..b358e7b34 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -85,12 +85,6 @@ end
 @test length(Compat.CartesianIndices((1:2,))) == 2
 @test length(Compat.CartesianIndices((1:2, -1:1))) == 6
 
-# 0.7.0-DEV.5278
-@test something(nothing, 1) === 1
-@test something(Some(2)) === 2
-@test something(Some(2), 1) === 2
-@test something(nothing, Some(1)) === 1
-
 # julia#24839
 @test permutedims([1 2; 3 4]) == [1 3; 2 4]
 @test permutedims([1,2,3]) == [1 2 3]