diff --git a/src/main/java/ninja/javafx/smartcsv/validation/Validator.java b/src/main/java/ninja/javafx/smartcsv/validation/Validator.java
index f054c79..9a9d728 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/Validator.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/Validator.java
@@ -30,7 +30,6 @@ import ninja.javafx.smartcsv.fx.table.model.ColumnValueProvider;
 import ninja.javafx.smartcsv.validation.checker.*;
 import ninja.javafx.smartcsv.validation.configuration.Constraints;
 import ninja.javafx.smartcsv.validation.configuration.Field;
-import ninja.javafx.smartcsv.validation.configuration.StringFormat;
 import ninja.javafx.smartcsv.validation.configuration.ValidationConfiguration;
 
 import java.util.HashMap;
@@ -202,6 +201,10 @@ public class Validator {
             if (column.getType() == STRING && column.getFormat().equalsIgnoreCase(BINARY.getExternalValue())) {
                 add(column.getName(), new BinaryValidation());
             }
+
+            if (column.getType() == STRING && column.getFormat() == null) {
+                columnValidationMap.get(column).remove(Validation.Type.STRING);
+            }
         }
 
         String groovy = column.getGroovy();
diff --git a/src/main/java/ninja/javafx/smartcsv/validation/checker/BinaryValidation.java b/src/main/java/ninja/javafx/smartcsv/validation/checker/BinaryValidation.java
index 496a964..73ca314 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/checker/BinaryValidation.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/checker/BinaryValidation.java
@@ -28,7 +28,6 @@ package ninja.javafx.smartcsv.validation.checker;
 import ninja.javafx.smartcsv.validation.ValidationError;
 
 import java.util.Base64;
-import java.util.UUID;
 
 /**
  * checks if the value is a base64 encoded string representing binary data
@@ -46,6 +45,6 @@ public class BinaryValidation extends EmptyValueIsValid {
 
     @Override
     public Type getType() {
-        return Type.BINARY;
+        return Type.STRING;
     }
 }
diff --git a/src/main/java/ninja/javafx/smartcsv/validation/checker/EmailValidation.java b/src/main/java/ninja/javafx/smartcsv/validation/checker/EmailValidation.java
index d287f8a..4c759db 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/checker/EmailValidation.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/checker/EmailValidation.java
@@ -42,6 +42,6 @@ public class EmailValidation extends EmptyValueIsValid {
 
     @Override
     public Type getType() {
-        return Type.EMAIL;
+        return Type.STRING;
     }
 }
diff --git a/src/main/java/ninja/javafx/smartcsv/validation/checker/UriValidation.java b/src/main/java/ninja/javafx/smartcsv/validation/checker/UriValidation.java
index c92db38..764e3b1 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/checker/UriValidation.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/checker/UriValidation.java
@@ -46,6 +46,6 @@ public class UriValidation extends EmptyValueIsValid {
 
     @Override
     public Type getType() {
-        return Type.URI;
+        return Type.STRING;
     }
 }
diff --git a/src/main/java/ninja/javafx/smartcsv/validation/checker/UuidValidation.java b/src/main/java/ninja/javafx/smartcsv/validation/checker/UuidValidation.java
index a4bbc34..366866f 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/checker/UuidValidation.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/checker/UuidValidation.java
@@ -27,8 +27,6 @@ package ninja.javafx.smartcsv.validation.checker;
 
 import ninja.javafx.smartcsv.validation.ValidationError;
 
-import java.net.URI;
-import java.net.URISyntaxException;
 import java.util.UUID;
 
 /**
@@ -47,6 +45,6 @@ public class UuidValidation extends EmptyValueIsValid {
 
     @Override
     public Type getType() {
-        return Type.UUID;
+        return Type.STRING;
     }
 }
diff --git a/src/main/java/ninja/javafx/smartcsv/validation/checker/Validation.java b/src/main/java/ninja/javafx/smartcsv/validation/checker/Validation.java
index 8014c0e..59af85b 100644
--- a/src/main/java/ninja/javafx/smartcsv/validation/checker/Validation.java
+++ b/src/main/java/ninja/javafx/smartcsv/validation/checker/Validation.java
@@ -32,7 +32,7 @@ import ninja.javafx.smartcsv.validation.ValidationError;
  */
 public interface Validation {
 
-    enum Type { NOT_EMPTY, UNIQUE, DOUBLE, INTEGER, MIN_LENGTH, MAX_LENGTH, DATE, REGEXP, VALUE_OF, EMAIL, UUID, URI, BINARY, GROOVY }
+    enum Type { NOT_EMPTY, UNIQUE, DOUBLE, INTEGER, MIN_LENGTH, MAX_LENGTH, DATE, REGEXP, VALUE_OF, STRING, GROOVY }
     void check(int row, String value, ValidationError error);
     Type getType();
     boolean canBeChecked(String value);