diff --git a/README.md b/README.md
index 68d394908..d9aaf62ac 100644
--- a/README.md
+++ b/README.md
@@ -78,8 +78,6 @@ Currently, the `@compat` macro supports the following syntaxes:
 * `Compat.split` and `Compat.rsplit` accept `keepempty` keyword argument
   if `splitter` is given as second argument ([#26634])
 
-* `atan2` is now a 2-argument method of `atan` ([#27253]).
-
 * `realmin` and `realmax` are now `floatmin` and `floatmax` ([#28302])
 
 * `squeeze` is now `dropdims` ([#28303], [#26660]).
diff --git a/src/Compat.jl b/src/Compat.jl
index fdc17fb52..40eb59ec7 100644
--- a/src/Compat.jl
+++ b/src/Compat.jl
@@ -82,11 +82,6 @@ end
     end
 end
 
-# https://github.com/JuliaLang/julia/pull/27253
-@static if VERSION < v"0.7.0-alpha.44"
-    Base.atan(x::Real, y::Real) = atan2(x, y)
-end
-
 # https://github.com/JuliaLang/julia/pull/26647
 @static if VERSION < v"0.7.0-DEV.4724"
     rsplit(s::AbstractString, splitter; limit::Integer=0, keepempty::Bool=false) =
diff --git a/test/old.jl b/test/old.jl
index 3e9934ef1..6f22334ec 100644
--- a/test/old.jl
+++ b/test/old.jl
@@ -1219,3 +1219,9 @@ end
 # julia#24839
 @test permutedims([1 2; 3 4]) == [1 3; 2 4]
 @test permutedims([1,2,3]) == [1 2 3]
+
+# 0.7.0-alpha.44
+@test atan(1, 2) == atan(0.5)
+@test atan(1.0, 2.0) == atan(0.5)
+@test atan(-1.0, -2.0) ≈ atan(0.5) - π
+@test atan(big"-1.0", big"-2.0") ≈ atan(big"0.5") - π
diff --git a/test/runtests.jl b/test/runtests.jl
index 3c988c148..d00e81180 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -80,12 +80,6 @@ let A = [1]
     @test x == 1
 end
 
-# 0.7.0-alpha.44
-@test atan(1, 2) == atan(0.5)
-@test atan(1.0, 2.0) == atan(0.5)
-@test atan(-1.0, -2.0) ≈ atan(0.5) - π
-@test atan(big"-1.0", big"-2.0") ≈ atan(big"0.5") - π
-
 # 0.7.0-DEV.4724
 let
     @test Compat.split("", ','  ; keepempty=false) == []