diff --git a/charts/operators/prometheus-operator/templates/_validatingwebhookconfiguration.tpl b/charts/operators/prometheus-operator/templates/_validatingwebhookconfiguration.tpl
index d1e6080cbc4..35fe30c1b7d 100644
--- a/charts/operators/prometheus-operator/templates/_validatingwebhookconfiguration.tpl
+++ b/charts/operators/prometheus-operator/templates/_validatingwebhookconfiguration.tpl
@@ -11,7 +11,6 @@ metadata:
   name:  {{ include "tc.v1.common.lib.chart.names.fullname" $ }}-admission
   labels:
   {{- with (include "tc.v1.common.lib.metadata.render" (dict "rootCtx" $ "labels" $labels) | trim) }}
-    app: {{ include "tc.v1.common.lib.chart.names.fullname" $ }}-admission
     {{- . | nindent 4 }}
   {{- end }}
   {{- with (include "tc.v1.common.lib.metadata.render" (dict "rootCtx" $ "annotations" $annotations) | trim) }}