diff --git a/simple-git/promise.d.ts b/simple-git/promise.d.ts
deleted file mode 100644
index 7d3e74e1..00000000
--- a/simple-git/promise.d.ts
+++ /dev/null
@@ -1,69 +0,0 @@
-import * as SimpleGitTypes from 'simple-git';
-
-/**
- * @deprecated
- *
- * simple-git has supported promises / async await since version 2.6.0.
- * Importing from 'simple-git/promise' has been deprecated and will be
- * removed by July 2022.
- *
- * To upgrade, change all 'simple-git/promise' imports to just 'simple-git'
- */
-declare const simplegit: simplegit.SimpleGitExport;
-
-declare namespace simplegit {
-   type SimpleGitExport = ((basePath?: string) => simplegit.SimpleGit) & {
-      CleanOptions: typeof SimpleGitTypes.CleanOptions;
-   };
-
-   /**
-    * @deprecated
-    *
-    * simple-git has supported promises / async await since version 2.6.0.
-    * Importing from 'simple-git/promise' has been deprecated and will be
-    * removed by July 2022.
-    *
-    * To upgrade, change all 'simple-git/promise' imports to just 'simple-git'
-    */
-   type SimpleGit = SimpleGitTypes.SimpleGit;
-
-   // errors
-   type GitError = SimpleGitTypes.GitError;
-   type GitConstructError = SimpleGitTypes.GitConstructError;
-   type GitResponseError<T> = SimpleGitTypes.GitResponseError<T>;
-   type TaskConfigurationError = SimpleGitTypes.TaskConfigurationError;
-
-   // responses
-   type BranchSummary = SimpleGitTypes.BranchSummary;
-   type CleanSummary = SimpleGitTypes.CleanSummary;
-   type CleanMode = SimpleGitTypes.CleanMode;
-   type DiffResult = SimpleGitTypes.DiffResult;
-   type FetchResult = SimpleGitTypes.FetchResult;
-   type CommitResult = SimpleGitTypes.CommitResult;
-   type MergeResult = SimpleGitTypes.MergeResult;
-   type PullResult = SimpleGitTypes.PullResult;
-   type StatusResult = SimpleGitTypes.StatusResult;
-   type TagResult = SimpleGitTypes.TagResult;
-
-   // types
-   type outputHandler = SimpleGitTypes.outputHandler;
-   type LogOptions<T = SimpleGitTypes.DefaultLogFields> = SimpleGitTypes.LogOptions<T>;
-   type Options = SimpleGitTypes.Options;
-
-   // deprecated
-   /** @deprecated use MergeResult */
-   type MergeSummary = SimpleGitTypes.MergeSummary;
-   /** @deprecated use CommitResult */
-   type CommitSummary = SimpleGitTypes.CommitResult;
-}
-
-/**
- * @deprecated
- *
- * simple-git has supported promises / async await since version 2.6.0.
- * Importing from 'simple-git/promise' has been deprecated and will be
- * removed by July 2022.
- *
- * To upgrade, change all 'simple-git/promise' imports to just 'simple-git'
- */
-export = simplegit;
diff --git a/simple-git/promise.js b/simple-git/promise.js
index f12c9162..9f584b9f 100644
--- a/simple-git/promise.js
+++ b/simple-git/promise.js
@@ -1,8 +1,7 @@
-// TODO: deprecation warning
-console.warn(`=============================================
+console.error(`=============================================
 simple-git has supported promises / async await since version 2.6.0.
- Importing from 'simple-git/promise' has been deprecated and will be
- removed by July 2022.
+ Importing from 'simple-git/promise' has been deprecated and will
+ report this error until the next major release of version 4.
 
 To upgrade, change all 'simple-git/promise' imports to just 'simple-git'
 =============================================`);