diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
index 1e40d143..cf76d2ab 100644
--- a/.github/workflows/coverage.yaml
+++ b/.github/workflows/coverage.yaml
@@ -18,7 +18,7 @@ jobs:
       run: |
         go test -v -covermode=atomic -coverprofile=cover.out.raw -coverpkg=./... ./...
         # remove generated code from coverage calculation
-        grep -Ev 'mock_|_enumer.go' cover.out.raw > cover.out
+        grep -Ev 'internal/mock|_enumer.go' cover.out.raw > cover.out
     - name: Generage coverage badge
       uses: vladopajic/go-test-coverage@bcd064e5ceef1ccec5441519eb054263b6a44787 # v2.8.2
       with:
diff --git a/.gitignore b/.gitignore
index dc0c8d2f..dd43b2de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /dist
 /cover.out
+/cover.out.raw
diff --git a/Makefile b/Makefile
index 64d11a6f..37854662 100644
--- a/Makefile
+++ b/Makefile
@@ -23,5 +23,6 @@ fuzz: mod-tidy generate
 
 .PHONY: cover
 cover: mod-tidy generate
-	go test -v -covermode=atomic -coverprofile=cover.out -coverpkg=./... ./...
+	go test -v -covermode=atomic -coverprofile=cover.out.raw -coverpkg=./... ./...
+	grep -Ev 'internal/mock|_enumer.go' cover.out.raw > cover.out
 	go tool cover -html=cover.out