diff --git a/data/registers/opamp_f3.yaml b/data/registers/opamp_f3.yaml
index e9fdf40..26205d1 100644
--- a/data/registers/opamp_f3.yaml
+++ b/data/registers/opamp_f3.yaml
@@ -96,15 +96,6 @@ enum/FORCE_VP:
   - name: Calibration
     description: Calibration mode. Non-inverting input connected to calibration reference
     value: 1
-enum/LOCK:
-  bit_size: 1
-  variants:
-  - name: Unlocked
-    description: Comparator CSR bits are read-write
-    value: 0
-  - name: Locked
-    description: Comparator CSR bits are read-only
-    value: 1
 enum/OUTCAL:
   bit_size: 1
   variants:
diff --git a/transforms/OPAMP.yaml b/transforms/OPAMP.yaml
new file mode 100644
index 0000000..5545167
--- /dev/null
+++ b/transforms/OPAMP.yaml
@@ -0,0 +1,3 @@
+transforms:
+  - !DeleteEnums
+    from: ^(LOCK)$