diff --git a/src/deprecations.csv b/src/deprecations.csv
index 64d653bc..93f50ece 100644
--- a/src/deprecations.csv
+++ b/src/deprecations.csv
@@ -104,3 +104,4 @@
 "ewn-02424173-v","i33830","ewn-02372362-v","i33603","Duplicate (#949)"
 "ewn-02755779-v","i35426","ewn-02610777-v","i34713","Duplicate (#947)"
 "ewn-01746607-v","i30448","ewn-02560130-v","i34465","Duplicate (#950)"
+"ewn-00507570-r","i21674","ewn-00028715-r","i18302","Not lexical, tag 'only' as an adverb by itself (#977)"
diff --git a/src/yaml/adv.all.yaml b/src/yaml/adv.all.yaml
index d22650f9..7ff35758 100644
--- a/src/yaml/adv.all.yaml
+++ b/src/yaml/adv.all.yaml
@@ -34173,17 +34173,6 @@
   - in flight
   - on the wing
   partOfSpeech: r
-00507570-r:
-  definition:
-  - never except when
-  example:
-  - call me only if your cold gets worse
-  ili: i21674
-  members:
-  - only
-  - only if
-  - only when
-  partOfSpeech: r
 00507682-r:
   definition:
   - in an attentive manner
diff --git a/src/yaml/entries-o.yaml b/src/yaml/entries-o.yaml
index 8bcf6e28..bf0f2bfd 100644
--- a/src/yaml/entries-o.yaml
+++ b/src/yaml/entries-o.yaml
@@ -13943,25 +13943,13 @@ only:
       synset: 00011376-r
     - id: 'only%4:02:06::'
       synset: 00028715-r
-    - id: 'only%4:02:03::'
-      synset: 00507570-r
     - id: 'only%4:02:05::'
       synset: 00011473-r
-only if:
-  r:
-    sense:
-    - id: 'only_if%4:02:00::'
-      synset: 00507570-r
 only too:
   r:
     sense:
     - id: 'only_too%4:02:00::'
       synset: 00251727-r
-only when:
-  r:
-    sense:
-    - id: 'only_when%4:02:00::'
-      synset: 00507570-r
 onomancer:
   n:
     sense: