diff --git a/audit/sink_metric_labeler.go b/audit/sink_metric_labeler.go
index f4d9088f06..1bd24be5a2 100644
--- a/audit/sink_metric_labeler.go
+++ b/audit/sink_metric_labeler.go
@@ -8,26 +8,17 @@ import (
 	"github.com/hashicorp/vault/internal/observability/event"
 )
 
-var (
-	_ event.Labeler = (*metricLabelerAuditSink)(nil)
-	_ event.Labeler = (*metricLabelerAuditFallback)(nil)
-)
+var _ event.Labeler = (*metricLabelerAuditSink)(nil)
 
 var (
-	metricLabelAuditSinkSuccess     = []string{"audit", "sink", "success"}
-	metricLabelAuditSinkFailure     = []string{"audit", "sink", "failure"}
-	metricLabelAuditFallbackSuccess = []string{"audit", "fallback", "success"}
-	metricLabelAuditFallbackMiss    = []string{"audit", "fallback", "miss"}
+	metricLabelAuditSinkSuccess = []string{"audit", "sink", "success"}
+	metricLabelAuditSinkFailure = []string{"audit", "sink", "failure"}
 )
 
 // metricLabelerAuditSink can be used to provide labels for the success or failure
 // of a sink node used for a normal audit device.
 type metricLabelerAuditSink struct{}
 
-// metricLabelerAuditFallback can be used to provide labels for the success or failure
-// of a sink node used for an audit fallback device.
-type metricLabelerAuditFallback struct{}
-
 // Labels provides the success and failure labels for an audit sink, based on the error supplied.
 // Success: 'vault.audit.sink.success'
 // Failure: 'vault.audit.sink.failure'
@@ -38,20 +29,3 @@ func (m metricLabelerAuditSink) Labels(_ *eventlogger.Event, err error) []string
 
 	return metricLabelAuditSinkSuccess
 }
-
-// Labels provides the success and failures labels for an audit fallback sink, based on the error supplied.
-// Success: 'vault.audit.fallback.success'
-// Failure: 'vault.audit.sink.failure'
-func (m metricLabelerAuditFallback) Labels(_ *eventlogger.Event, err error) []string {
-	if err != nil {
-		return metricLabelAuditSinkFailure
-	}
-
-	return metricLabelAuditFallbackSuccess
-}
-
-// MetricLabelsFallbackMiss returns the labels which indicate an audit entry was missed.
-// 'vault.audit.fallback.miss'
-func MetricLabelsFallbackMiss() []string {
-	return metricLabelAuditFallbackMiss
-}
diff --git a/audit/sink_metric_labeler_test.go b/audit/sink_metric_labeler_test.go
index 6ef4fe11f8..0a5956a2d9 100644
--- a/audit/sink_metric_labeler_test.go
+++ b/audit/sink_metric_labeler_test.go
@@ -41,35 +41,3 @@ func TestMetricLabelerAuditSink_Label(t *testing.T) {
 		})
 	}
 }
-
-// TestMetricLabelerAuditFallback_Label ensures we always get the right label based
-// on the input value of the error for fallback devices.
-func TestMetricLabelerAuditFallback_Label(t *testing.T) {
-	t.Parallel()
-
-	tests := map[string]struct {
-		err      error
-		expected []string
-	}{
-		"nil": {
-			err:      nil,
-			expected: []string{"audit", "fallback", "success"},
-		},
-		"error": {
-			err:      errors.New("I am an error"),
-			expected: []string{"audit", "sink", "failure"},
-		},
-	}
-
-	for name, tc := range tests {
-		name := name
-		tc := tc
-		t.Run(name, func(t *testing.T) {
-			t.Parallel()
-
-			m := &metricLabelerAuditFallback{}
-			result := m.Labels(nil, tc.err)
-			assert.Equal(t, tc.expected, result)
-		})
-	}
-}