diff --git a/Project.toml b/Project.toml
index e606e2bf..625f3e52 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,13 +1,11 @@
 name = "InferenceObjects"
 uuid = "b5cf5a8d-e756-4ee3-b014-01d49d192c00"
 authors = ["Seth Axen <seth.axen@gmail.com> and contributors"]
-version = "0.4.3"
+version = "0.4.4"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 DimensionalData = "0703355e-b756-11e9-17c0-8b28908087d0"
-Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
-Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 
 [weakdeps]
@@ -34,7 +32,6 @@ OffsetArrays = "1"
 OrderedCollections = "1.6"
 PosteriorStats = "0.1.1, 0.2"
 Random = "1.9"
-Requires = "1.1.0"
 StatsBase = "0.33.7, 0.34"
 Tables = "1.10.0"
 julia = "1.9"
diff --git a/ext/InferenceObjectsMCMCDiagnosticToolsExt/InferenceObjectsMCMCDiagnosticToolsExt.jl b/ext/InferenceObjectsMCMCDiagnosticToolsExt/InferenceObjectsMCMCDiagnosticToolsExt.jl
index dc5e06b9..788e726b 100644
--- a/ext/InferenceObjectsMCMCDiagnosticToolsExt/InferenceObjectsMCMCDiagnosticToolsExt.jl
+++ b/ext/InferenceObjectsMCMCDiagnosticToolsExt/InferenceObjectsMCMCDiagnosticToolsExt.jl
@@ -1,17 +1,10 @@
 module InferenceObjectsMCMCDiagnosticToolsExt
 
 using Base: @doc
-if isdefined(Base, :get_extension)
-    using DimensionalData: DimensionalData, Dimensions, LookupArrays
-    using InferenceObjects: InferenceObjects
-    using MCMCDiagnosticTools: MCMCDiagnosticTools
-    using Random: Random
-else  # using Requires
-    using ..DimensionalData: DimensionalData, Dimensions, LookupArrays
-    using ..InferenceObjects: InferenceObjects
-    using ..MCMCDiagnosticTools: MCMCDiagnosticTools
-    using ..Random: Random
-end
+using DimensionalData: DimensionalData, Dimensions, LookupArrays
+using InferenceObjects: InferenceObjects
+using MCMCDiagnosticTools: MCMCDiagnosticTools
+using Random: Random
 
 include("utils.jl")
 include("bfmi.jl")
diff --git a/ext/InferenceObjectsNCDatasetsExt/InferenceObjectsNCDatasetsExt.jl b/ext/InferenceObjectsNCDatasetsExt/InferenceObjectsNCDatasetsExt.jl
index 73453b4b..4edbeb68 100644
--- a/ext/InferenceObjectsNCDatasetsExt/InferenceObjectsNCDatasetsExt.jl
+++ b/ext/InferenceObjectsNCDatasetsExt/InferenceObjectsNCDatasetsExt.jl
@@ -1,14 +1,8 @@
 module InferenceObjectsNCDatasetsExt
 
-if isdefined(Base, :get_extension)
-    using DimensionalData: DimensionalData, Dimensions, LookupArrays
-    using NCDatasets: NCDatasets
-    using InferenceObjects
-else
-    using ..DimensionalData: DimensionalData, Dimensions, LookupArrays
-    using ..NCDatasets: NCDatasets
-    using ..InferenceObjects
-end
+using DimensionalData: DimensionalData, Dimensions, LookupArrays
+using NCDatasets: NCDatasets
+using InferenceObjects
 
 function InferenceObjects.from_netcdf(path::AbstractString; kwargs...)
     return NCDatasets.NCDataset(path, "r"; kwargs...) do ds
diff --git a/ext/InferenceObjectsPosteriorStatsExt/InferenceObjectsPosteriorStatsExt.jl b/ext/InferenceObjectsPosteriorStatsExt/InferenceObjectsPosteriorStatsExt.jl
index 69ac5cfe..48bfe321 100644
--- a/ext/InferenceObjectsPosteriorStatsExt/InferenceObjectsPosteriorStatsExt.jl
+++ b/ext/InferenceObjectsPosteriorStatsExt/InferenceObjectsPosteriorStatsExt.jl
@@ -1,17 +1,10 @@
 module InferenceObjectsPosteriorStatsExt
 
 using Base: @doc
-if isdefined(Base, :get_extension)
-    using DimensionalData: DimensionalData, Dimensions, LookupArrays
-    using InferenceObjects: InferenceObjects
-    using PosteriorStats: PosteriorStats
-    using StatsBase: StatsBase
-else  # using Requires
-    using ..DimensionalData: DimensionalData, Dimensions, LookupArrays
-    using ..InferenceObjects: InferenceObjects, stack
-    using ..PosteriorStats: PosteriorStats
-    using ..StatsBase: StatsBase
-end
+using DimensionalData: DimensionalData, Dimensions, LookupArrays
+using InferenceObjects: InferenceObjects
+using PosteriorStats: PosteriorStats
+using StatsBase: StatsBase
 
 include("utils.jl")
 include("hdi.jl")
diff --git a/src/InferenceObjects.jl b/src/InferenceObjects.jl
index 903927f8..6315e298 100644
--- a/src/InferenceObjects.jl
+++ b/src/InferenceObjects.jl
@@ -4,8 +4,6 @@ using Dates: Dates
 using DimensionalData: DimensionalData, Dimensions, LookupArrays
 using Tables: Tables
 
-const EXTENSIONS_SUPPORTED = isdefined(Base, :get_extension)
-
 # groups that are officially listed in the schema
 const SCHEMA_GROUPS = (
     :posterior,
@@ -45,29 +43,7 @@ include("from_namedtuple.jl")
 include("from_dict.jl")
 include("io.jl")
 
-if !EXTENSIONS_SUPPORTED
-    using Requires: @require
-end
 function __init__()
-    @static if !EXTENSIONS_SUPPORTED
-        @require MCMCDiagnosticTools = "be115224-59cd-429b-ad48-344e309966f0" begin
-            @require Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c" begin
-                include(
-                    "../ext/InferenceObjectsMCMCDiagnosticToolsExt/InferenceObjectsMCMCDiagnosticToolsExt.jl",
-                )
-            end
-        end
-        @require NCDatasets = "85f8d34a-cbdd-5861-8df4-14fed0d494ab" begin
-            include("../ext/InferenceObjectsNCDatasetsExt/InferenceObjectsNCDatasetsExt.jl")
-        end
-        @require PosteriorStats = "7f36be82-ad55-44ba-a5c0-b8b5480d7aa5" begin
-            @require StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91" begin
-                include(
-                    "../ext/InferenceObjectsPosteriorStatsExt/InferenceObjectsPosteriorStatsExt.jl",
-                )
-            end
-        end
-    end
     if isdefined(Base.Experimental, :register_error_hint)
         Base.Experimental.register_error_hint(MethodError) do io, exc, argtypes, kwargs
             if exc.f === from_netcdf &&