diff --git a/.github/workflows/CI-unixish.yml b/.github/workflows/CI-unixish.yml
index be7b227333c..8523daeddfb 100644
--- a/.github/workflows/CI-unixish.yml
+++ b/.github/workflows/CI-unixish.yml
@@ -553,12 +553,10 @@ jobs:
           # self check simplecpp
           ./cppcheck $selfcheck_options externals/simplecpp || ec=1
           # self check lib/cli
-          mkdir b1
-          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b1 --addon=naming.json cli || ec=1
-          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b1 --addon=naming.json --enable=internal lib || ec=1
+          ./cppcheck $selfcheck_options $cppcheck_options --addon=naming.json cli || ec=1
+          ./cppcheck $selfcheck_options $cppcheck_options --addon=naming.json --enable=internal lib || ec=1
           # check gui with qt settings
-          mkdir b2
-          ./cppcheck $selfcheck_options $cppcheck_options --cppcheck-build-dir=b2 -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui || ec=1
+          ./cppcheck $selfcheck_options $cppcheck_options -DQT_VERSION=0x060000 -DQ_MOC_OUTPUT_REVISION=68 -DQT_CHARTS_LIB --library=qt --addon=naming.json -Icmake.output/gui -Igui gui/*.cpp cmake.output/gui || ec=1
           # self check test and tools
           ./cppcheck $selfcheck_options $cppcheck_options -Icli test/*.cpp tools/*.cpp || ec=1
           # triage