diff --git a/glide.yaml b/glide.yaml
index c0d65293..6321fcf5 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -19,8 +19,6 @@ import:
   subpackages:
   - mw
 - package: github.com/abcum/rixxdb
-- package: github.com/asaskevich/govalidator
-  version: ^8.0.0
 - package: github.com/dgrijalva/jwt-go
   version: ^3.1.0
 - package: github.com/elithrar/simple-scrypt
diff --git a/util/chck/chck.go b/util/chck/chck.go
new file mode 100644
index 00000000..685a72de
--- /dev/null
+++ b/util/chck/chck.go
@@ -0,0 +1,43 @@
+// Copyright © 2016 Abcum Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chck
+
+func IsBase64(s string) bool {
+	return rBase64.MatchString(s)
+}
+
+func IsDomain(s string) bool {
+	return rDomain.MatchString(s)
+}
+
+func IsEmail(s string) bool {
+	return rEmail.MatchString(s)
+}
+
+func IsLatitude(s string) bool {
+	return rLatitude.MatchString(s)
+}
+
+func IsLongitude(s string) bool {
+	return rLongitude.MatchString(s)
+}
+
+func IsPhone(s string) bool {
+	return rPhone.MatchString(s)
+}
+
+func IsUUID(s string) bool {
+	return rUUID.MatchString(s)
+}
diff --git a/util/chck/regex.go b/util/chck/regex.go
new file mode 100644
index 00000000..3099e5b6
--- /dev/null
+++ b/util/chck/regex.go
@@ -0,0 +1,37 @@
+// Copyright © 2016 Abcum Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chck
+
+import "regexp"
+
+const (
+	sBase64    string = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$"
+	sDomain    string = `^([a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62}){1}(\.[a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62})*[\._]?$`
+	sEmail     string = "^(((([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|\\.|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$"
+	sLatitude  string = "^[-+]?([1-8]?\\d(\\.\\d+)?|90(\\.0+)?)$"
+	sLongitude string = "^[-+]?(180(\\.0+)?|((1[0-7]\\d)|([1-9]?\\d))(\\.\\d+)?)$"
+	sPhone     string = `^[\s\d\+\-\(\)]+$`
+	sUUID      string = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
+)
+
+var (
+	rBase64    = regexp.MustCompile(sBase64)
+	rDomain    = regexp.MustCompile(sDomain)
+	rEmail     = regexp.MustCompile(sEmail)
+	rLatitude  = regexp.MustCompile(sLatitude)
+	rLongitude = regexp.MustCompile(sLongitude)
+	rPhone     = regexp.MustCompile(sPhone)
+	rUUID      = regexp.MustCompile(sUUID)
+)
diff --git a/util/conv/conv.go b/util/conv/conv.go
index 9c22c232..bca13ead 100644
--- a/util/conv/conv.go
+++ b/util/conv/conv.go
@@ -20,8 +20,7 @@ import (
 	"time"
 
 	"github.com/abcum/surreal/sql"
-
-	"github.com/asaskevich/govalidator"
+	"github.com/abcum/surreal/util/chck"
 )
 
 func toNumber(str string) (float64, error) {
@@ -122,7 +121,7 @@ func ConvertTo(t, k string, obj interface{}) (val interface{}, err error) {
 
 func ConvertToUuid(obj interface{}) (val string, err error) {
 	val = fmt.Sprintf("%v", obj)
-	if !govalidator.IsUUID(val) {
+	if !chck.IsUUID(val) {
 		err = fmt.Errorf("Expected a UUID, but found '%v'", obj)
 	}
 	return
@@ -130,15 +129,15 @@ func ConvertToUuid(obj interface{}) (val string, err error) {
 
 func ConvertToEmail(obj interface{}) (val string, err error) {
 	val = fmt.Sprintf("%v", obj)
-	if !govalidator.IsEmail(val) {
+	if !chck.IsEmail(val) {
 		err = fmt.Errorf("Expected an email address, but found '%v'", obj)
 	}
-	return govalidator.NormalizeEmail(val)
+	return
 }
 
 func ConvertToPhone(obj interface{}) (val string, err error) {
 	val = fmt.Sprintf("%v", obj)
-	if !govalidator.Matches(val, `^[\s\d\+\-\(\)]+$`) {
+	if !chck.IsPhone(val) {
 		err = fmt.Errorf("Expected a phone number, but found '%v'", obj)
 	}
 	return
@@ -164,7 +163,7 @@ func ConvertToObject(obj interface{}) (val map[string]interface{}, err error) {
 
 func ConvertToDomain(obj interface{}) (val string, err error) {
 	val = fmt.Sprintf("%v", obj)
-	if !govalidator.IsDNSName(val) {
+	if !chck.IsDomain(val) {
 		err = fmt.Errorf("Expected a domain name, but found '%v'", obj)
 	}
 	return
@@ -172,7 +171,7 @@ func ConvertToDomain(obj interface{}) (val string, err error) {
 
 func ConvertToBase64(obj interface{}) (val string, err error) {
 	val = fmt.Sprintf("%v", obj)
-	if !govalidator.IsBase64(val) {
+	if !chck.IsBase64(val) {
 		err = fmt.Errorf("Expected base64 data, but found '%v'", obj)
 	}
 	return
@@ -242,18 +241,18 @@ func ConvertToDatetime(obj interface{}) (val time.Time, err error) {
 
 func ConvertToLatitude(obj interface{}) (val float64, err error) {
 	str := fmt.Sprintf("%v", obj)
-	if !govalidator.IsLatitude(str) {
+	if !chck.IsLatitude(str) {
 		err = fmt.Errorf("Expected a latitude value, but found '%v'", obj)
 	}
-	return govalidator.ToFloat(str)
+	return toNumber(str)
 }
 
 func ConvertToLongitude(obj interface{}) (val float64, err error) {
 	str := fmt.Sprintf("%v", obj)
-	if !govalidator.IsLongitude(str) {
+	if !chck.IsLongitude(str) {
 		err = fmt.Errorf("Expected a longitude value, but found '%v'", obj)
 	}
-	return govalidator.ToFloat(str)
+	return toNumber(str)
 }
 
 func ConvertToRecord(obj interface{}, tb string) (val *sql.Thing, err error) {
diff --git a/util/fncs/email.go b/util/fncs/email.go
index 2cbcc87c..8008affb 100644
--- a/util/fncs/email.go
+++ b/util/fncs/email.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"strings"
 
-	"github.com/asaskevich/govalidator"
+	"github.com/abcum/surreal/util/chck"
 )
 
 func emailUser(ctx context.Context, args ...interface{}) (string, error) {
@@ -39,5 +39,5 @@ func emailDomain(ctx context.Context, args ...interface{}) (string, error) {
 
 func emailValid(ctx context.Context, args ...interface{}) (bool, error) {
 	v, _ := ensureString(args[0])
-	return govalidator.IsEmail(v), nil
+	return chck.IsEmail(v), nil
 }