diff --git a/test/test_unit_report_invalid_alts.py b/test/test_unit_report_invalid_alts.py
deleted file mode 100644
index 040b11a..0000000
--- a/test/test_unit_report_invalid_alts.py
+++ /dev/null
@@ -1,34 +0,0 @@
-"""Unit tests: report_invalid_alts"""
-import pytest
-
-
-@pytest.mark.parametrize(
-    'condition', [
-        'previous-message',
-        'invalid-alts',
-        'no-invalid-alts',
-    ])
-def test_report_invalid_alts(runner, yadm, condition):
-    """Use report_invalid_alts"""
-
-    previous = ''
-    alts = 'INVALID_ALT=()'
-    if condition == 'previous-message':
-        previous = 'LEGACY_WARNING_ISSUED=1'
-    if condition == 'invalid-alts':
-        alts = 'INVALID_ALT=("file##invalid")'
-
-    script = f"""
-        YADM_TEST=1 source {yadm}
-        {previous}
-        {alts}
-        report_invalid_alts
-    """
-    run = runner(command=['bash'], inp=script)
-    assert run.success
-    assert run.err == ''
-    if condition == 'invalid-alts':
-        assert 'WARNING' in run.out
-        assert 'file##invalid' in run.out
-    else:
-        assert run.out == ''
diff --git a/test/test_unit_score_file.py b/test/test_unit_score_file.py
index 679229f..5719fe4 100644
--- a/test/test_unit_score_file.py
+++ b/test/test_unit_score_file.py
@@ -260,19 +260,3 @@ def test_template_recording(runner, yadm, cmd_generated):
     assert run.success
     assert run.err == ''
     assert run.out.rstrip() == expected
-
-
-def test_invalid(runner, yadm):
-    """Verify invalid alternates are noted in INVALID_ALT"""
-
-    invalid_file = "file##invalid"
-
-    script = f"""
-        YADM_TEST=1 source {yadm}
-        score_file "{invalid_file}"
-        echo "INVALID:${{INVALID_ALT[@]}}"
-    """
-    run = runner(command=['bash'], inp=script)
-    assert run.success
-    assert run.err == ''
-    assert run.out.rstrip() == f'INVALID:{invalid_file}'
diff --git a/yadm b/yadm
index 62b17ec..04ba034 100755
--- a/yadm
+++ b/yadm
@@ -62,7 +62,6 @@ GPG_OPTS=()
 OPENSSL_OPTS=()
 
 LEGACY_WARNING_ISSUED=0
-INVALID_ALT=()
 
 # flag causing path translations with cygpath
 USE_CYGPATH=0
@@ -232,7 +231,6 @@ function score_file() {
       return 0
     # unsupported values
     else
-      INVALID_ALT+=("$src")
       score=0
       return
     fi
@@ -545,41 +543,9 @@ function alt() {
 
   alt_linking
   remove_stale_links
-  report_invalid_alts
 
 }
 
-function report_invalid_alts() {
-  [ "$LEGACY_WARNING_ISSUED" = "1" ] && return
-  [ "${#INVALID_ALT[@]}" = "0" ] && return
-  local path_list
-  for invalid in "${INVALID_ALT[@]}"; do
-    path_list="$path_list    * $invalid"$'\n'
-  done
-  cat <<EOF
-
-**WARNING**
-  Invalid alternates have been detected.
-
-  Beginning with version 2.0.0, yadm uses a new naming convention for alternate
-  files. Read more about this change here:
-
-    https://yadm.io/docs/upgrade_from_1
-
-  Or to learn more about alternates in general, read:
-
-    https://yadm.io/docs/alternates
-
-  To rename the invalid alternates run:
-
-    yadm mv <old name> <new name>
-
-  Invalid alternates detected:
-${path_list}
-***********
-EOF
-}
-
 function remove_stale_links() {
   # review alternate candidates for stale links
   # if a possible alt IS linked, but it's source is not part of alt_linked,