diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 955f16a6b..b93c5f276 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -32,11 +32,12 @@ jobs:
 
       - name: Get dependencies
         if: steps.cache-gomodules.outputs.cache-hit != 'true'
-        run: |
-          go get -v -t -d ./...
+        run: go get -v -t -d ./...
 
       - name: Run coverage
-        run: ./testing/coverage/coverall2
+        run: |
+          chmod u+x ./testing/coverage/coverall.sh
+          ./testing/coverage/coverall.sh
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1
diff --git a/testing/coverage/coverall b/testing/coverage/coverall
deleted file mode 100755
index f9ac6db1f..000000000
--- a/testing/coverage/coverall
+++ /dev/null
@@ -1,48 +0,0 @@
-#!/bin/bash
-
-FAIL=0
-
-V2RAY_OUT=${PWD}/out/v2ray
-export V2RAY_COV=${V2RAY_OUT}/cov
-COVERAGE_FILE=${V2RAY_COV}/coverage.txt
-
-function test_package {
-  DIR=".$1"
-  DEP=$(go list -f '{{ join .Deps "\n" }}' $DIR | grep v2ray | tr '\n' ',')
-  DEP=${DEP}$DIR
-  RND_NAME=$(openssl rand -hex 16)
-  COV_PROFILE=${V2RAY_COV}/${RND_NAME}.out
-  go test -tags "json coverage" -coverprofile=${COV_PROFILE} -coverpkg=$DEP $DIR || FAIL=1
-}
-
-rm -rf ${V2RAY_OUT}
-mkdir -p ${V2RAY_COV}
-touch ${COVERAGE_FILE}
-
-TEST_FILES=(./*_test.go)
-if [ -f ${TEST_FILES[0]} ]; then
-  test_package ""
-fi
-
-for DIR in $(find * -type d ! -path "*.git*" ! -path "*vendor*" ! -path "*external*"); do
-  TEST_FILES=($DIR/*_test.go)
-  if [ -f ${TEST_FILES[0]} ]; then
-    test_package "/$DIR"
-  fi
-done
-
-for OUT_FILE in $(find ${V2RAY_COV} -name "*.out"); do
-  echo "Merging file ${OUT_FILE}"
-  cat ${OUT_FILE} | grep -v "mode: set" >> ${COVERAGE_FILE}
-done
-
-COV_SORTED=${V2RAY_COV}/coverallsorted.out
-cat ${COVERAGE_FILE} | sort -t: -k1 | grep -vw "testing" | grep -v ".pb.go" | grep -vw "vendor" | grep -vw "external" > ${COV_SORTED}
-echo "mode: set" | cat - ${COV_SORTED} > ${COVERAGE_FILE}
-
-if [ "$FAIL" -eq 0 ]; then
-  echo "Uploading coverage datea to codecov."
-  #bash <(curl -s https://codecov.io/bash) -f ${COVERAGE_FILE} -v || echo "Codecov did not collect coverage reports."
-fi
-
-exit $FAIL
diff --git a/testing/coverage/coverall2 b/testing/coverage/coverall.sh
similarity index 81%
rename from testing/coverage/coverall2
rename to testing/coverage/coverall.sh
index 8491ea5b5..d260e0cb5 100755
--- a/testing/coverage/coverall2
+++ b/testing/coverage/coverall.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 COVERAGE_FILE=${PWD}/coverage.txt
 COV_SORTED=${PWD}/coverallsorted.out
@@ -19,8 +19,7 @@ if [ -f "${TEST_FILES[0]}" ]; then
   test_package ""
 fi
 
-# shellcheck disable=SC2044
-for DIR in $(find ./* -type d ! -path "*.git*" ! -path "*vendor*" ! -path "*external*"); do
+for DIR in $(find ./* -type d ! -path "*.git*"); do
   TEST_FILES=("$DIR"/*_test.go)
   if [ -f "${TEST_FILES[0]}" ]; then
     test_package "/$DIR"
@@ -34,7 +33,7 @@ do
   < "${OUT_FILE}" grep -v "mode: set" >> "$COVERAGE_FILE"
 done <   <(find ./* -name "*.out" -print0)
 
-< "$COVERAGE_FILE" sort -t: -k1 | grep -vw "testing" | grep -v ".pb.go" | grep -vw "vendor" | grep -vw "external" > "$COV_SORTED"
+< "$COVERAGE_FILE" sort -t: -k1 | grep -vw "testing" | grep -v ".pb.go" > "$COV_SORTED"
 echo "mode: set" | cat - "${COV_SORTED}" > "${COVERAGE_FILE}"
 
-bash <(curl -s https://codecov.io/bash) || echo 'Codecov failed to upload'
\ No newline at end of file
+bash <(curl -s https://codecov.io/bash) || echo 'Codecov failed to upload'