diff --git a/.github/workflows/build-gcc9.yml b/.github/workflows/build-gcc9.yml
index 179ae550..efc1502a 100644
--- a/.github/workflows/build-gcc9.yml
+++ b/.github/workflows/build-gcc9.yml
@@ -7,7 +7,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps: 
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: '21'
@@ -18,7 +18,7 @@ jobs:
           sudo apt install -y gcc-9 build-essential gettext autoconf
 
       - name: Checkout opensource COBOL 4J
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       
       - name: Install opensource COBOL 4J
         run: |
diff --git a/cobj/check-format b/cobj/check-format
index c90c8574..a5500051 100755
--- a/cobj/check-format
+++ b/cobj/check-format
@@ -7,9 +7,6 @@ codegen.c \
 config.c \
 error.c \
 field.c \
-pplex.c \
-ppparse.c \
-ppparse.h \
 reserved.c \
 tree.c \
 tree.h \