diff --git a/geometry.go b/geometry.go
index 61b93ca..55fbf53 100644
--- a/geometry.go
+++ b/geometry.go
@@ -392,16 +392,16 @@ func (c Circle) Contains(u Vec) bool {
 	return c.Radius >= toCenter.Len()
 }
 
-// MaxCircle will return the larger circle based on the radius.
-func MaxCircle(c, d Circle) Circle {
+// maxCircle will return the larger circle based on the radius.
+func maxCircle(c, d Circle) Circle {
 	if c.Radius < d.Radius {
 		return d
 	}
 	return c
 }
 
-// MinCircle will return the smaller circle based on the radius.
-func MinCircle(c, d Circle) Circle {
+// minCircle will return the smaller circle based on the radius.
+func minCircle(c, d Circle) Circle {
 	if c.Radius < d.Radius {
 		return c
 	}
@@ -410,8 +410,8 @@ func MinCircle(c, d Circle) Circle {
 
 // Union returns the minimal Circle which covers both `c` and `d`.
 func (c Circle) Union(d Circle) Circle {
-	biggerC := MaxCircle(c, d)
-	smallerC := MinCircle(c, d)
+	biggerC := maxCircle(c, d)
+	smallerC := minCircle(c, d)
 
 	// Get distance between centers
 	dist := c.Center.To(d.Center).Len()
@@ -440,8 +440,8 @@ func (c Circle) Union(d Circle) Circle {
 // centers.
 func (c Circle) Intersect(d Circle) Circle {
 	// Check if one of the circles encompasses the other; if so, return that one
-	biggerC := MaxCircle(c, d)
-	smallerC := MinCircle(c, d)
+	biggerC := maxCircle(c, d)
+	smallerC := minCircle(c, d)
 
 	if biggerC.Radius >= biggerC.Center.To(smallerC.Center).Len()+smallerC.Radius {
 		return biggerC
diff --git a/geometry_test.go b/geometry_test.go
index 4cab36f..f7308c5 100644
--- a/geometry_test.go
+++ b/geometry_test.go
@@ -576,79 +576,3 @@ func TestCircle_Intersect(t *testing.T) {
 		})
 	}
 }
-
-func TestMaxCircle(t *testing.T) {
-	bigCircle := pixel.C(10, pixel.ZV)
-	smallCircle := pixel.C(1, pixel.ZV)
-
-	type args struct {
-		c pixel.Circle
-		d pixel.Circle
-	}
-	tests := []struct {
-		name string
-		args args
-		want pixel.Circle
-	}{
-		{
-			name: "MaxCircle(): first bigger",
-			args: args{c: bigCircle, d: smallCircle},
-			want: bigCircle,
-		},
-		{
-			name: "MaxCircle(): first smaller",
-			args: args{c: smallCircle, d: bigCircle},
-			want: bigCircle,
-		},
-		{
-			name: "MaxCircle(): both same size",
-			args: args{c: smallCircle, d: smallCircle},
-			want: smallCircle,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := pixel.MaxCircle(tt.args.c, tt.args.d); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("MaxCircle() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func TestMinCircle(t *testing.T) {
-	bigCircle := pixel.C(10, pixel.ZV)
-	smallCircle := pixel.C(1, pixel.ZV)
-
-	type args struct {
-		c pixel.Circle
-		d pixel.Circle
-	}
-	tests := []struct {
-		name string
-		args args
-		want pixel.Circle
-	}{
-		{
-			name: "MinCircle(): first bigger",
-			args: args{c: bigCircle, d: smallCircle},
-			want: smallCircle,
-		},
-		{
-			name: "MinCircle(): first smaller",
-			args: args{c: smallCircle, d: bigCircle},
-			want: smallCircle,
-		},
-		{
-			name: "MinCircle(): both same size",
-			args: args{c: smallCircle, d: smallCircle},
-			want: smallCircle,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := pixel.MinCircle(tt.args.c, tt.args.d); !reflect.DeepEqual(got, tt.want) {
-				t.Errorf("MinCircle() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}