diff --git a/README.md b/README.md
index a2186661e..6987f2e1b 100644
--- a/README.md
+++ b/README.md
@@ -134,8 +134,6 @@ Currently, the `@compat` macro supports the following syntaxes:
    for entries with no match and gives the index of the first (rather than the last) match
    ([#25662], [#25998]).
 
-* `object_id` is now `objectid` ([#25615]).
-
 * `LinSpace` is now `LinRange` ([#25896]).
 
 * `isupper`, `islower`, `ucfirst` and `lcfirst` are now `isuppercase`, `islowercase`,
diff --git a/src/Compat.jl b/src/Compat.jl
index c3a631a7d..bb7ff2a15 100644
--- a/src/Compat.jl
+++ b/src/Compat.jl
@@ -75,12 +75,6 @@ end
     end
 end
 
-# 0.7.0-DEV.3455
-@static if !isdefined(Base, :objectid)
-    const objectid = object_id
-    export objectid
-end
-
 @static if VERSION < v"0.7.0-DEV.3272"
     zero2nothing(x::Integer) = x == 0 ? nothing : x
     zero2nothing(x::AbstractUnitRange{<:Integer}) = x == 0:-1 ? nothing : x
diff --git a/test/old.jl b/test/old.jl
index 0402e5ee6..d5184a6bc 100644
--- a/test/old.jl
+++ b/test/old.jl
@@ -730,3 +730,6 @@ end
 
 # 0.7.0-DEV.3455
 @test hasmethod(sin, Tuple{Float64})
+let x = y = 1
+    @test objectid(x) == objectid(y)
+end
diff --git a/test/runtests.jl b/test/runtests.jl
index aa61dac7d..d85bd8328 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -82,11 +82,6 @@ end
 
 @test codeunit("foo") == codeunit(SubString("fooαβγ",1,3)) == UInt8
 
-# 0.7.0-DEV.3455
-let x = y = 1
-    @test objectid(x) == objectid(y)
-end
-
 # 0.7.0-DEV.3415
 for (f1, f2, i) in ((Compat.findfirst, Compat.findnext, 1),
                     (Compat.findlast, Compat.findprev, 2))