diff --git a/go.mod b/go.mod
index f2fbaf5..623cac0 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,3 @@
 module github.com/Netflix/spectator-go
 
 go 1.21
-
-require (
-	github.com/json-iterator/go v1.1.12
-	github.com/klauspost/compress v1.15.12
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/pkg/errors v0.9.1
-	golang.org/x/sync v0.1.0
-)
diff --git a/go.sum b/go.sum
index 0b62498..e69de29 100644
--- a/go.sum
+++ b/go.sum
@@ -1,22 +0,0 @@
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
-github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
-github.com/klauspost/compress v1.15.12 h1:YClS/PImqYbn+UILDnqxQCZ3RehC9N318SU3kElDUEM=
-github.com/klauspost/compress v1.15.12/go.mod h1:QPwzmACJjUTFsnSHH934V6woptycfrDDJnH7hvFVbGM=
-github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
-github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
diff --git a/spectator/meter/age_gauge.go b/spectator/meter/age_gauge.go
index e6fdc55..fcbe52d 100644
--- a/spectator/meter/age_gauge.go
+++ b/spectator/meter/age_gauge.go
@@ -29,11 +29,9 @@ func (g *AgeGauge) MeterId() *Id {
 }
 
 // Set records the current value.
-func (g *AgeGauge) Set(value int64) {
-	if value >= 0 {
-		var line = fmt.Sprintf("%s:%s:%d", g.meterTypeSymbol, g.id.spectatordId, value)
-		g.writer.Write(line)
-	}
+func (g *AgeGauge) Set(value uint64) {
+	var line = fmt.Sprintf("%s:%s:%d", g.meterTypeSymbol, g.id.spectatordId, value)
+	g.writer.Write(line)
 }
 
 // Now records the current time in epoch seconds in spectatord.
diff --git a/spectator/meter/age_gauge_test.go b/spectator/meter/age_gauge_test.go
index aa29fbf..1b3c2a2 100644
--- a/spectator/meter/age_gauge_test.go
+++ b/spectator/meter/age_gauge_test.go
@@ -41,17 +41,6 @@ func TestAgeGauge_Now(t *testing.T) {
 	}
 }
 
-func TestAgeGauge_SetNegative(t *testing.T) {
-	id := NewId("setNegative", nil)
-	w := writer.MemoryWriter{}
-	g := NewAgeGauge(id, &w)
-	g.Set(-100)
-
-	if len(w.Lines) != 0 {
-		t.Error("Negative values should be ignored")
-	}
-}
-
 func TestAgeGauge_SetMultipleValues(t *testing.T) {
 	id := NewId("setMultiple", nil)
 	w := writer.MemoryWriter{}
diff --git a/spectator/meter/counter.go b/spectator/meter/counter.go
index a5124b3..1488983 100644
--- a/spectator/meter/counter.go
+++ b/spectator/meter/counter.go
@@ -42,10 +42,8 @@ func (c *Counter) AddFloat(delta float64) {
 	}
 }
 
-// Add is to add a specific int64 delta to the current measurement.
-func (c *Counter) Add(delta int64) {
-	if delta > 0 {
-		var line = fmt.Sprintf("%s:%s:%d", c.meterTypeSymbol, c.id.spectatordId, delta)
-		c.writer.Write(line)
-	}
+// Add is to add a specific uint64 delta to the current measurement.
+func (c *Counter) Add(delta uint64) {
+	var line = fmt.Sprintf("%s:%s:%d", c.meterTypeSymbol, c.id.spectatordId, delta)
+	c.writer.Write(line)
 }
diff --git a/spectator/meter/counter_test.go b/spectator/meter/counter_test.go
index 0afb0dc..f37f564 100644
--- a/spectator/meter/counter_test.go
+++ b/spectator/meter/counter_test.go
@@ -47,9 +47,4 @@ func TestCounter_Add(t *testing.T) {
 	if w.Lines[0] != expected {
 		t.Error("Expected ", expected, " got ", w.Lines[0])
 	}
-
-	c.Add(-1)
-	if len(w.Lines) != 1 {
-		t.Error("Negative deltas should be ignored")
-	}
 }
diff --git a/spectator/meter/dist_summary.go b/spectator/meter/dist_summary.go
index 414dc32..33c420b 100644
--- a/spectator/meter/dist_summary.go
+++ b/spectator/meter/dist_summary.go
@@ -30,9 +30,7 @@ func (d *DistributionSummary) MeterId() *Id {
 }
 
 // Record records a new value to track within the distribution.
-func (d *DistributionSummary) Record(amount int64) {
-	if amount >= 0 {
-		var line = fmt.Sprintf("%s:%s:%d", d.meterTypeSymbol, d.id.spectatordId, amount)
-		d.writer.Write(line)
-	}
+func (d *DistributionSummary) Record(amount uint64) {
+	var line = fmt.Sprintf("%s:%s:%d", d.meterTypeSymbol, d.id.spectatordId, amount)
+	d.writer.Write(line)
 }
diff --git a/spectator/meter/dist_summary_test.go b/spectator/meter/dist_summary_test.go
index 6b7df63..bbad567 100644
--- a/spectator/meter/dist_summary_test.go
+++ b/spectator/meter/dist_summary_test.go
@@ -29,17 +29,6 @@ func TestDistributionSummary_RecordZeroValue(t *testing.T) {
 	}
 }
 
-func TestDistributionSummary_RecordNegativeValue(t *testing.T) {
-	id := NewId("recordNegative", nil)
-	w := writer.MemoryWriter{}
-	ds := NewDistributionSummary(id, &w)
-	ds.Record(-100)
-
-	if len(w.Lines) != 0 {
-		t.Errorf("Expected no lines, got %d", len(w.Lines))
-	}
-}
-
 func TestDistributionSummary_RecordMultipleValues(t *testing.T) {
 	id := NewId("recordMultiple", nil)
 	w := writer.MemoryWriter{}
diff --git a/spectator/meter/monotonic_counter.go b/spectator/meter/monotonic_counter.go
index 1c9a03a..b55077d 100644
--- a/spectator/meter/monotonic_counter.go
+++ b/spectator/meter/monotonic_counter.go
@@ -29,10 +29,8 @@ func (c *MonotonicCounter) MeterId() *Id {
 	return c.id
 }
 
-// Set is to set a specific int64 delta as the current measurement.
-func (c *MonotonicCounter) Set(delta int64) {
-	if delta > 0 {
-		var line = fmt.Sprintf("%s:%s:%d", c.meterTypeSymbol, c.id.spectatordId, delta)
-		c.writer.Write(line)
-	}
+// Set is to set a specific uint64 value as the current measurement - spectatord will calculate the delta.
+func (c *MonotonicCounter) Set(value uint64) {
+	var line = fmt.Sprintf("%s:%s:%d", c.meterTypeSymbol, c.id.spectatordId, value)
+	c.writer.Write(line)
 }
diff --git a/spectator/meter/monotonic_counter_test.go b/spectator/meter/monotonic_counter_test.go
index e4ddb7f..4bf890f 100644
--- a/spectator/meter/monotonic_counter_test.go
+++ b/spectator/meter/monotonic_counter_test.go
@@ -16,9 +16,4 @@ func TestMonotonicCounter_Set(t *testing.T) {
 	if w.Lines[0] != expected {
 		t.Error("Expected ", expected, " got ", w.Lines[0])
 	}
-
-	c.Set(-1)
-	if len(w.Lines) != 1 {
-		t.Error("Negative deltas should be ignored")
-	}
 }
diff --git a/spectator/meter/percentile_distsummary.go b/spectator/meter/percentile_distsummary.go
index ef99659..6123a32 100644
--- a/spectator/meter/percentile_distsummary.go
+++ b/spectator/meter/percentile_distsummary.go
@@ -23,9 +23,7 @@ func NewPercentileDistributionSummary(id *Id, writer writer.Writer) *PercentileD
 }
 
 // Record records a new value to track within the distribution.
-func (p *PercentileDistributionSummary) Record(amount int64) {
-	if amount >= 0 {
-		var line = fmt.Sprintf("%s:%s:%d", p.meterTypeSymbol, p.id.spectatordId, amount)
-		p.writer.Write(line)
-	}
+func (p *PercentileDistributionSummary) Record(amount uint64) {
+	var line = fmt.Sprintf("%s:%s:%d", p.meterTypeSymbol, p.id.spectatordId, amount)
+	p.writer.Write(line)
 }
diff --git a/spectator/meter/percentile_distsummary_test.go b/spectator/meter/percentile_distsummary_test.go
index a070926..82542bd 100644
--- a/spectator/meter/percentile_distsummary_test.go
+++ b/spectator/meter/percentile_distsummary_test.go
@@ -34,17 +34,6 @@ func TestPercentileDistributionSummary_RecordZero(t *testing.T) {
 	}
 }
 
-func TestPercentileDistributionSummary_RecordNegative(t *testing.T) {
-	id := NewId("recordPercentileNegative", nil)
-	w := writer.MemoryWriter{}
-	ds := NewPercentileDistributionSummary(id, &w)
-	ds.Record(-100)
-
-	if len(w.Lines) != 0 {
-		t.Errorf("Expected no lines to be written, got %d", len(w.Lines))
-	}
-}
-
 func TestPercentileDistributionSummary_RecordMultipleValues(t *testing.T) {
 	id := NewId("recordPercentileMultiple", nil)
 	w := writer.MemoryWriter{}