diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 346766568..00ccea6a8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -63,7 +63,7 @@ jobs:
         run: docker build --tag srs:test -f trunk/Dockerfile.test .
       # For utest
       - name: Run SRS utest
-        run: docker run --rm srs:test bash -c 'make && ./objs/srs_utest'
+        run: docker run --rm srs:test bash -c 'make utest && ./objs/srs_utest'
       # For regression-test
       - name: Run SRS regression-test
         run: docker run --rm srs:test bash -c 'make && ./objs/srs -c conf/regression-test.conf && cd 3rdparty/srs-bench && make && ./objs/srs_test -test.v'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 93f1bc0bd..b2ac7d659 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -93,7 +93,7 @@ jobs:
         run: docker build --tag srs:test -f trunk/Dockerfile.test .
       # For utest
       - name: Run SRS utest
-        run: docker run --rm srs:test bash -c 'make && ./objs/srs_utest'
+        run: docker run --rm srs:test bash -c 'make utest && ./objs/srs_utest'
       # For regression-test
       - name: Run SRS regression-test
         run: docker run --rm srs:test bash -c 'make && ./objs/srs -c conf/regression-test.conf && cd 3rdparty/srs-bench && make && ./objs/srs_test -test.v'
@@ -124,7 +124,7 @@ jobs:
           SRS_PR=$(echo ${{ github.ref }}| awk -F 'refs/pull/' '{print $2}'| awk -F '/' '{print $1}')
           echo "For ref=${{ github.ref }}, sha=${{ github.sha }}, SRS_BRANCH=$SRS_BRANCH, SRS_PR=$SRS_PR, SRS_SHA=$SRS_SHA, SRS_PROJECT=$SRS_PROJECT"
           docker run --rm --env SRS_BRANCH=$SRS_BRANCH --env SRS_PR=$SRS_PR --env SRS_SHA=$SRS_SHA --env SRS_PROJECT=$SRS_PROJECT \
-            srs:cov bash -c 'make && ./objs/srs_utest && bash auto/codecov.sh'
+            srs:cov bash -c 'make utest && ./objs/srs_utest && bash auto/codecov.sh'
 
   done:
     name: actions-test-done
diff --git a/trunk/Dockerfile.test b/trunk/Dockerfile.test
index 06282ff63..936ab19be 100644
--- a/trunk/Dockerfile.test
+++ b/trunk/Dockerfile.test
@@ -6,7 +6,7 @@ RUN yum install -y gcc make gcc-c++ patch unzip perl git
 # Build and install SRS.
 COPY . /srs
 WORKDIR /srs/trunk
-RUN ./configure --srt=on --utest=on --jobs=2 && make -j2
+RUN ./configure --srt=on --utest=on --jobs=2 && make -j2 utest
 RUN cd 3rdparty/srs-bench && make
 
 # Run utest
diff --git a/trunk/auto/codecov.sh b/trunk/auto/codecov.sh
index b0b6553db..e33618390 100755
--- a/trunk/auto/codecov.sh
+++ b/trunk/auto/codecov.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # In .circleci/config.yml, generate *.gcno with
-#       ./configure --gcov --without-research --without-librtmp && make
+#       ./configure --gcov --without-research --without-librtmp && make utest
 # and generate *.gcda by
 #       ./objs/srs_utest
 
diff --git a/trunk/auto/fast.sh b/trunk/auto/fast.sh
deleted file mode 100755
index 485611792..000000000
--- a/trunk/auto/fast.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-
-MODULES=""
-if [[ $# -gt 0 ]]; then
-  for module in $@; do
-    module=$(basename $module)
-    if [[ $module == "src" ]]; then
-      MODULES="objs/src"
-      break
-    fi
-    MODULES="$MODULES objs/src/$module"
-  done
-fi
-
-if [[ $MODULES == "" ]]; then
-  MODULES="objs/src"
-fi
-
-IS_LINUX=yes
-uname -s|grep Darwin >/dev/null && IS_DARWIN=yes && IS_LINUX=no
-echo "IS_LINUX: $IS_LINUX, IS_DARWIN: $IS_DARWIN"
-
-echo "Clean gcda files"
-find objs -name *.gcda |xargs rm -f
-
-echo "Build and run utest"
-make -j10 && ./objs/srs_utest
-
-echo "Generating coverage at $MODULES"
-mkdir -p ./objs/coverage &&
-gcovr -r src --html --html-details -o ./objs/coverage/srs.html $MODULES &&
-echo "Coverage report at ./objs/coverage/srs.html" &&
-open ./objs/coverage/srs.html
diff --git a/trunk/scripts/srs.test b/trunk/scripts/srs.test
deleted file mode 100755
index 5e7a573c1..000000000
--- a/trunk/scripts/srs.test
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-
-echo "Usage: $0 [-jN]"
-echo "        -jN The make jobs, for example, -j8 to use 8cpu to make"
-
-params="$@"
-echo "params is: $params"
-
-bash scripts/test_configure.sh $params && ./objs/srs_utest
-ret=$?; if [[ 0 -ne $ret ]]; then echo "configure test and utest failed."; exit $ret; fi
-echo "configure test and utest success"; 
-