diff --git a/.github/workflows/esp32_build.yaml b/.github/workflows/esp32_build.yaml
index c5cb901..2858e37 100644
--- a/.github/workflows/esp32_build.yaml
+++ b/.github/workflows/esp32_build.yaml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         idf_ver: [release-v5.4, latest]
-        idf_target: [esp32, esp32s2, esp32s3, esp32c3, esp32c5, esp32c6]
+        idf_target: [esp32, esp32s3, esp32c3]
 
     runs-on: ubuntu-latest
 
diff --git a/sdkconfig.defaults.esp32 b/sdkconfig.defaults.esp32
new file mode 100644
index 0000000..d17d67f
--- /dev/null
+++ b/sdkconfig.defaults.esp32
@@ -0,0 +1,2 @@
+# default ESP target
+CONFIG_IDF_TARGET="esp32"
diff --git a/sdkconfig.defaults.esp32c3 b/sdkconfig.defaults.esp32c3
new file mode 100644
index 0000000..86a5bac
--- /dev/null
+++ b/sdkconfig.defaults.esp32c3
@@ -0,0 +1,2 @@
+# default ESP target
+CONFIG_IDF_TARGET="esp32c3"