diff --git a/metrics/histogram.go b/metrics/histogram.go
index 7f256f8d46..7c27bcc928 100644
--- a/metrics/histogram.go
+++ b/metrics/histogram.go
@@ -40,10 +40,7 @@ func GetOrRegisterHistogramLazy(name string, r Registry, s func() Sample) Histog
 
 // NewHistogram constructs a new StandardHistogram from a Sample.
 func NewHistogram(s Sample) Histogram {
-	if !Enabled {
-		return NilHistogram{}
-	}
-	return &StandardHistogram{sample: s}
+	return &StandardHistogram{s}
 }
 
 // NewRegisteredHistogram constructs and registers a new StandardHistogram from
@@ -57,13 +54,6 @@ func NewRegisteredHistogram(name string, r Registry, s Sample) Histogram {
 	return c
 }
 
-// NilHistogram is a no-op Histogram.
-type NilHistogram struct{}
-
-func (NilHistogram) Clear()                      {}
-func (NilHistogram) Snapshot() HistogramSnapshot { return (*emptySnapshot)(nil) }
-func (NilHistogram) Update(v int64)              {}
-
 // StandardHistogram is the standard implementation of a Histogram and uses a
 // Sample to bound its memory use.
 type StandardHistogram struct {