diff --git a/Project.toml b/Project.toml
index 111b84f..8e7206c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -3,16 +3,19 @@ uuid = "621f4979-c628-5d54-868e-fcf4e3e8185c"
 version = "1.3.1"
 
 [deps]
+ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
-Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 
-[compat]
-ChainRulesCore = "1"
-julia = "^1.0"
+[weakdeps]
+ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 
 [extensions]
 AbstractFFTsChainRulesCoreExt = "ChainRulesCore"
 
+[compat]
+ChainRulesCore = "1"
+julia = "^1.0"
+
 [extras]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 ChainRulesTestUtils = "cdddcdb0-9152-4a09-a978-84456f9df70a"
@@ -22,6 +25,3 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 
 [targets]
 test = ["ChainRulesCore", "ChainRulesTestUtils", "Random", "Test", "Unitful"]
-
-[weakdeps]
-ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
diff --git a/src/AbstractFFTs.jl b/src/AbstractFFTs.jl
index 77e194b..00f6dc2 100644
--- a/src/AbstractFFTs.jl
+++ b/src/AbstractFFTs.jl
@@ -7,16 +7,8 @@ export fft, ifft, bfft, fft!, ifft!, bfft!,
 
 include("definitions.jl")
 
-@static if !isdefined(Base, :get_extension)
-    import Requires
-end
-
-@static if !isdefined(Base, :get_extension)
-    function __init__()
-        Requires.@require ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4" begin
-            include("../ext/AbstractFFTsChainRulesCoreExt.jl")
-        end
-    end
+if !isdefined(Base, :get_extension)
+    include("../ext/AbstractFFTsChainRulesCoreExt.jl")
 end
 
 end # module
diff --git a/test/runtests.jl b/test/runtests.jl
index c41debe..9cb528a 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -2,6 +2,7 @@
 
 using AbstractFFTs
 using AbstractFFTs: Plan
+using ChainRulesTestUtils
 
 using LinearAlgebra
 using Random
@@ -240,19 +241,6 @@ end
 end
 
 @testset "ChainRules" begin
-
-    if isdefined(Base, :get_extension)
-        CRCEXT = Base.get_extension(AbstractFFTs, :AbstractFFTsChainRulesCoreExt)
-        @test isnothing(CRCEXT)
-    end
-
-    using ChainRulesTestUtils
-
-    if isdefined(Base, :get_extension)
-        CRCEXT = Base.get_extension(AbstractFFTs, :AbstractFFTsChainRulesCoreExt)
-        @test !isnothing(CRCEXT)
-    end
-
     @testset "shift functions" begin
         for x in (randn(3), randn(3, 4), randn(3, 4, 5))
             for dims in ((), 1, 2, (1,2), 1:2)