diff --git a/.gitignore b/.gitignore
index 9c6aa35e..bc8f9617 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 .cache
 vendor
 cmd/protoc-gen-go/protoc-gen-go
+cmd/protoc-gen-go/testdata/go.sum
 cmd/protoc-gen-go-grpc/protoc-gen-go-grpc
+cmd/protoc-gen-go-grpc/testdata/go.sum
diff --git a/cmd/protoc-gen-go-grpc/testdata/go.sum b/cmd/protoc-gen-go-grpc/testdata/go.sum
deleted file mode 100644
index 37d5257c..00000000
--- a/cmd/protoc-gen-go-grpc/testdata/go.sum
+++ /dev/null
@@ -1,28 +0,0 @@
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diff --git a/cmd/protoc-gen-go/testdata/go.sum b/cmd/protoc-gen-go/testdata/go.sum
deleted file mode 100644
index 31e2edf4..00000000
--- a/cmd/protoc-gen-go/testdata/go.sum
+++ /dev/null
@@ -1,23 +0,0 @@
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