diff --git a/action.yml b/action.yml
index c372228..31c585e 100644
--- a/action.yml
+++ b/action.yml
@@ -1,10 +1,6 @@
 name: 'Compile GAP package'
 description: 'Compile the given GAP package being tested'
 inputs:
-  ABI:
-    description: 'set to 32 to use 32bit build flags for the package'
-    required: false
-    default: ''
   coverage:
     description: 'Boolean that determines whether code coverage is turned by adding `--coverage` to `CFLAGS`, `CXXFLAGS` and `LDFLAGS`.'
     required: false
@@ -32,13 +28,6 @@ runs:
            export LDFLAGS="$LDFLAGS --coverage"
        fi
 
-       # adjust build flags for 32bit builds
-       if [[ "${{ inputs.ABI }}" = 32 ]]; then
-           export CFLAGS="$CFLAGS -m32"
-           export CXXFLAGS="$CXXFLAGS -m32"
-           export LDFLAGS="$LDFLAGS -m32"
-       fi
-
        # build this package, if necessary
        if [[ -x prerequisites.sh ]]; then
            ./prerequisites.sh $GAPROOT