diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 9e56101..8a4ecfc 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -6,7 +6,6 @@
 * Fix [misrendering of usage when parameter description blank](https://github.com/fsprojects/Argu/issues/173) [#323](https://github.com/fsprojects/Argu/pull/323) [@DominikL1999](https://github.com/DominikL1999)
 * Add `Separator("=", orSpace = true)` and `Separator "="` attribute syntax to replace `Obsolete`d `EqualsAssignment`, `ColonAssignment`, `CustomAssignment`, `EqualsAssignmentOrSpaced`, `ColonAssignmentOrSpaced` and `CustomAssignmentOrSpaced` [#315](https://github.com/fsprojects/Argu/pull/315) [@dimension-zero](https://github.com/dimension-zero)
 * Add `Argu.Samples.Introspect` sample [#298](https://github.com/fsprojects/Argu/pull/298) [@dimension-zero](https://github.com/dimension-zero)
-* Add `ArgumentParser.Parse(ParseConfig)` [#307](https://github.com/fsprojects/Argu/pull/307) [@dimension-zero](https://github.com/dimension-zero)
 * Add `ArgumentParser.PrintUsage(..., ?UsageStrings)` for localization support [#303](https://github.com/fsprojects/Argu/pull/303) [@dimension-zero](https://github.com/dimension-zero)
 * Add AOT annotations [#314](https://github.com/fsprojects/Argu/pull/314) [@dimension-zero](https://github.com/dimension-zero)
 * Add `SourceGenerator.ArguGenerate` marker [#318](https://github.com/fsprojects/Argu/pull/318) [@dimension-zero](https://github.com/dimension-zero)
diff --git a/src/Argu/ArgumentParser.fs b/src/Argu/ArgumentParser.fs
index 9da0f5e..d328b87 100644
--- a/src/Argu/ArgumentParser.fs
+++ b/src/Argu/ArgumentParser.fs
@@ -5,35 +5,6 @@ open System.Diagnostics.CodeAnalysis
 
 open Argu.UnionArgInfo
 
-/// Configuration record for <see cref="ArgumentParser`1.Parse(ParseConfig)"/>.
-/// Each field carries the same meaning as the matching optional parameter on
-/// the existing <c>Parse</c> overload. Use <see cref="ParseConfig.Default"/>
-/// as a starting point and override only the fields you care about.
-[<NoEquality; NoComparison>]
-type ParseConfig =
-    {
-        /// The command line input. <c>None</c> takes the inputs from <c>System.Environment</c>.
-        Inputs : string [] option
-        /// Configuration reader used to source AppSettings-style arguments.
-        /// <c>None</c> uses the AppSettings configuration of the current process.
-        ConfigurationReader : IConfigurationReader option
-        /// Ignore errors caused by the Mandatory attribute.
-        IgnoreMissing : bool
-        /// Ignore CLI arguments that do not match the schema.
-        IgnoreUnrecognized : bool
-        /// Treat '--help' parameters as parse errors.
-        RaiseOnUsage : bool
-    }
-    /// Default parse configuration, matching the historical <c>Parse(...)</c> defaults:
-    /// inputs and configurationReader inherited from the environment, do not ignore
-    /// missing or unrecognized arguments, and raise on '--help'.
-    static member Default : ParseConfig =
-        {   Inputs = None
-            ConfigurationReader = None
-            IgnoreMissing = false
-            IgnoreUnrecognized = false
-            RaiseOnUsage = true }
-
 module internal TrimMessages =
     [<Literal>]
     let aot =
@@ -201,19 +172,6 @@ and [<Sealed; NoEquality; NoComparison; AutoSerializable(false)>]
 
         with ParserExn (errorCode, msg) -> errorHandler.Exit (msg, errorCode)
 
-    /// <summary>Parse both command line args and supplied configuration reader, using
-    ///          a <see cref="ParseConfig"/> record. Useful when callers want to construct
-    ///          the parameter set programmatically (e.g. layering host defaults over user
-    ///          overrides) without juggling many optional method arguments.</summary>
-    /// <param name="config">The parse configuration. See <c>ParseConfig.Default</c>.</param>
-    member self.Parse (config : ParseConfig) : ParseResults<'Template> =
-        self.Parse(
-            ?inputs = config.Inputs,
-            ?configurationReader = config.ConfigurationReader,
-            ignoreMissing = config.IgnoreMissing,
-            ignoreUnrecognized = config.IgnoreUnrecognized,
-            raiseOnUsage = config.RaiseOnUsage)
-
     /// <summary>Parse both command line args and supplied configuration reader.
     ///          Results are merged with command line args overriding configuration parameters.</summary>
     /// <param name="inputs">The command line input. Taken from System.Environment if not specified.</param>
diff --git a/tests/Argu.Tests/Argu.Tests.fsproj b/tests/Argu.Tests/Argu.Tests.fsproj
index d0c2522..a7369f9 100644
--- a/tests/Argu.Tests/Argu.Tests.fsproj
+++ b/tests/Argu.Tests/Argu.Tests.fsproj
@@ -9,7 +9,6 @@
     <Compile Include="Tests.fs"/>
     <Compile Include="EnvVarTests.fs" />
     <Compile Include="CoverageTests.fs"/>
-    <Compile Include="ParseConfigTests.fs"/>
     <Compile Include="UsageStringsTests.fs"/>
     <Compile Include="SeparatorAttributeTests.fs" />
   </ItemGroup>
diff --git a/tests/Argu.Tests/ParseConfigTests.fs b/tests/Argu.Tests/ParseConfigTests.fs
deleted file mode 100644
index 68edf22..0000000
--- a/tests/Argu.Tests/ParseConfigTests.fs
+++ /dev/null
@@ -1,85 +0,0 @@
-module Argu.Tests.ParseConfigTests
-
-open System.Collections.Generic
-open Swensen.Unquote
-open Xunit
-
-open Argu
-
-type Args =
-    | [<Mandatory>] Port of int
-    | Verbose
-    | Tag of string
-    interface IArgParserTemplate with
-        member this.Usage =
-            match this with
-            | Port _ -> "port"
-            | Verbose -> "verbose"
-            | Tag _ -> "tag"
-
-let private parser () = ArgumentParser.Create<Args>()
-[<Fact>]
-let ``ParseConfig.Default holds historical defaults`` () =
-    let d = ParseConfig.Default
-    test <@ d.Inputs = None @>
-    test <@ d.ConfigurationReader = None @>
-    test <@ d.IgnoreMissing = false @>
-    test <@ d.IgnoreUnrecognized = false @>
-    test <@ d.RaiseOnUsage = true @>
-
-[<Fact>]
-let ``Parse(config with explicit inputs) parses those inputs`` () =
-    let p = parser ()
-    let argv = [| "--port"; "8080"; "--verbose" |]
-    let cfg = { ParseConfig.Default with Inputs = Some argv ; RaiseOnUsage = false }
-    let results = p.Parse(cfg)
-    test <@ results.GetResult(Port) = 8080 @>
-    test <@ results.Contains(Verbose) @>
-
-[<Fact>]
-let ``Parse(config) matches Parse(?inputs, ...) for the same parameters`` () =
-    let p = parser ()
-    let argv = [| "--port"; "1234"; "--tag"; "v1" |]
-    let viaConfig =
-        let cfg = { ParseConfig.Default with Inputs = Some argv ; RaiseOnUsage = false }
-        p.Parse(cfg)
-    let viaOptional = p.Parse(inputs = argv, raiseOnUsage = false)
-    test <@ viaConfig.GetResult(Port) = viaOptional.GetResult(Port) @>
-    test <@ viaConfig.GetResult(Tag) = viaOptional.GetResult(Tag) @>
-
-[<Fact>]
-let ``Parse(config with IgnoreMissing=true) skips mandatory check`` () =
-    let p = parser ()
-    let cfg = { ParseConfig.Default with Inputs = Some [||] ; IgnoreMissing = true }
-    let results = p.Parse(cfg)
-    test <@ results.TryGetResult(Port) = None @>
-
-[<Fact>]
-let ``Parse(config with IgnoreUnrecognized=true) collects unknown args`` () =
-    let p = parser ()
-    let cfg =
-        { ParseConfig.Default with
-            Inputs = Some [| "--port"; "1"; "--bogus" |]
-            IgnoreUnrecognized = true
-            RaiseOnUsage = false }
-    let results = p.Parse(cfg)
-    test <@ results.UnrecognizedCliParams |> List.contains "--bogus" @>
-
-/// Argu's missing-mandatory check fires from the CLI even when AppSettings provides a value (pre-existing behavior),
-/// so the AppSettings round-trip test uses a non-mandatory schema.
-type AppSettingsArgs =
-    | TagKey of string
-    interface IArgParserTemplate with member this.Usage = "tag"
-
-[<Fact>]
-let ``Parse(config with ConfigurationReader) sources AppSettings`` () =
-    let p = ArgumentParser.Create<AppSettingsArgs>()
-    let dict = Dictionary<string, string>()
-    dict["tagkey"] <- "v1"
-    let reader = ConfigurationReader.FromDictionary dict
-    let cfg =
-        { ParseConfig.Default with
-            Inputs = Some [||]
-            ConfigurationReader = Some reader }
-    let results = p.Parse(cfg)
-    test <@ results.GetResult(TagKey) = "v1" @>