diff --git a/models/physical/olt.go b/models/physical/olt.go
index 721e731..c800ad5 100644
--- a/models/physical/olt.go
+++ b/models/physical/olt.go
@@ -45,7 +45,7 @@
 	Number         int
 	Ports          []PONPort
 	Active         bool
-	Parent         *Chassis `json:"-"`
+	Parent         *Chassis `json:"-" bson:"-"`
 	DataSwitchPort int
 }
 
diff --git a/models/physical/ont.go b/models/physical/ont.go
index 79c21ee..21fbbae 100644
--- a/models/physical/ont.go
+++ b/models/physical/ont.go
@@ -20,12 +20,12 @@
 Ont represents a single ont/onu connect to a splitter on a Port
 */
 type Ont struct {
-	Number       int
-	Svlan        int
-	Cvlan        int
-	SerialNumber string
-	Parent       *PONPort `json:"-"`
-	Active       bool
-	NasPortID    string
-	CircuitID    string
+	Number       int      `json:",omitempty"`
+	Svlan        int      `,json:",omitempty"`
+	Cvlan        int      `,json:",omitempty"`
+	SerialNumber string   `,json:",omitempty"`
+	Parent       *PONPort `json:"-" bson:"-"`
+	Active       bool     `json:",omitempty"`
+	NasPortID    string   `json:",omitempty"`
+	CircuitID    string   `json:",omitempty"`
 }
diff --git a/models/physical/ponport.go b/models/physical/ponport.go
index 683489e..9c626c3 100644
--- a/models/physical/ponport.go
+++ b/models/physical/ponport.go
@@ -27,7 +27,7 @@
 	Number   int
 	DeviceID string
 	Onts     [64]Ont
-	Parent   *SimpleOLT `json:"-"`
+	Parent   *SimpleOLT `json:"-" bson:"-"`
 }
 
 /*