diff --git a/v5/internal/providers.bzl b/v5/internal/providers.bzl
index 142b80e..377ae89 100644
--- a/v5/internal/providers.bzl
+++ b/v5/internal/providers.bzl
@@ -15,6 +15,10 @@ GoLibrary = provider(
     },
 )
 
+# GoToolchain is a dummy provider that serves as documentation for the
+# public interface of the ToolchainInfo provide returned by go_toolchain.
+# Toolchains compatible with @rules_go_simple//v5:toolchain_type must
+# satisfy this interface. However, no GoToolchain object is actually created.
 GoToolchain = provider(
     doc = "Contains information about a Go toolchain",
     fields = {
diff --git a/v5/internal/toolchain.bzl b/v5/internal/toolchain.bzl
index 294f938..c69de38 100644
--- a/v5/internal/toolchain.bzl
+++ b/v5/internal/toolchain.bzl
@@ -7,10 +7,6 @@ load(
     "@bazel_skylib//lib:paths.bzl",
     "paths",
 )
-load(
-    ":providers.bzl",
-    "GoToolchain",
-)
 load(
     ":actions.bzl",
     "go_build_test",