diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 07252d07f..05c833d89 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -21,10 +21,6 @@ Mozilla welcomes contributions from everyone. Here are a few guidelines and inst
 * Unless it's particularly hard, changes that fix a bug should have a regression test to make sure that the bug is not introduced again.
 * New features and changes to existing features should be documented, and, if possible, tested.
 
-# Regenerating mocks
-
-If you encounter an error like `kms/mocks/KMSAPI.go:1607: cannot use (*KMSAPI)(nil) (type *KMSAPI) as type kmsiface.KMSAPI in assignment: *KMSAPI does not implement kmsiface.KMSAPI (missing ListResourceTags method)`, you need to regenerate mocks, probably because the interface was changed by a vendoring update. There is a make command to do this for you. Simply run `make mock`, and the new mocks will be automatically generated.
-
 # Communication
 
 If you need any help contributing to sops, several contributors are on the `#go` channel on [Mozilla's IRC server](https://wiki.mozilla.org/IRC).
diff --git a/Makefile b/Makefile
index 926c05a49..e302a7464 100644
--- a/Makefile
+++ b/Makefile
@@ -112,8 +112,4 @@ endif
 download-index:
 	bash make_download_page.sh
 
-mock:
-	go install github.com/vektra/mockery/.../
-	mockery -dir vendor/github.com/aws/aws-sdk-go/service/kms/kmsiface/ -name KMSAPI -output kms/mocks
-
-.PHONY: all test generate clean vendor functional-tests mock
+.PHONY: all test generate clean vendor functional-tests