diff --git a/src/main/java/com/dispose/common/AuthConfigValue.java b/src/main/java/com/dispose/common/AuthConfigValue.java
index 627cc3b8..df0efbf5 100644
--- a/src/main/java/com/dispose/common/AuthConfigValue.java
+++ b/src/main/java/com/dispose/common/AuthConfigValue.java
@@ -45,5 +45,7 @@ public class AuthConfigValue {
     /**
      * Instantiates a new Auth config value.
      */
-    private AuthConfigValue() {}
+    private AuthConfigValue() {
+        throw new AssertionError("Instantiating utility class.");
+    }
 }
diff --git a/src/main/java/com/dispose/common/ConstValue.java b/src/main/java/com/dispose/common/ConstValue.java
index db0821b5..2ab4c575 100644
--- a/src/main/java/com/dispose/common/ConstValue.java
+++ b/src/main/java/com/dispose/common/ConstValue.java
@@ -103,5 +103,7 @@ public class ConstValue {
     /**
      * Instantiates a new Const value.
      */
-    private ConstValue() {}
+    private ConstValue() {
+        throw new AssertionError("Instantiating utility class.");
+    }
 }
diff --git a/src/main/java/com/dispose/common/DisposeConfigValue.java b/src/main/java/com/dispose/common/DisposeConfigValue.java
index 857b3c70..451d3dea 100644
--- a/src/main/java/com/dispose/common/DisposeConfigValue.java
+++ b/src/main/java/com/dispose/common/DisposeConfigValue.java
@@ -10,7 +10,9 @@ public class DisposeConfigValue {
     /**
      * Instantiates a new Dispose config value.
      */
-    private DisposeConfigValue() {}
+    private DisposeConfigValue() {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * The constant CHECK_PROTO_REQUEST_TIMEOUT.
diff --git a/src/main/java/com/dispose/common/DpTechConfigValue.java b/src/main/java/com/dispose/common/DpTechConfigValue.java
index 3773f292..92a373b0 100644
--- a/src/main/java/com/dispose/common/DpTechConfigValue.java
+++ b/src/main/java/com/dispose/common/DpTechConfigValue.java
@@ -9,7 +9,9 @@ public class DpTechConfigValue {
     /**
      * Instantiates a new Dp tech config value.
      */
-    private DpTechConfigValue () {}
+    private DpTechConfigValue () {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * The constant SOAP_CONNECT_TIMEOUT_SECOND.
diff --git a/src/main/java/com/dispose/common/Helper.java b/src/main/java/com/dispose/common/Helper.java
index cb7a738e..4c23aff0 100644
--- a/src/main/java/com/dispose/common/Helper.java
+++ b/src/main/java/com/dispose/common/Helper.java
@@ -26,7 +26,9 @@ public class Helper {
     /**
      * Instantiates a new Helper.
      */
-    private Helper () {}
+    private Helper () {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * Gets current datetime.
diff --git a/src/main/java/com/dispose/common/PrivacyHelper.java b/src/main/java/com/dispose/common/PrivacyHelper.java
index ea339d8c..e8bbab2d 100644
--- a/src/main/java/com/dispose/common/PrivacyHelper.java
+++ b/src/main/java/com/dispose/common/PrivacyHelper.java
@@ -14,7 +14,9 @@ public class PrivacyHelper {
     /**
      * Instantiates a new Privacy helper.
      */
-    private PrivacyHelper() {}
+    private PrivacyHelper() {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * Ip address privacy string.
diff --git a/src/main/java/com/dispose/common/SecurityConfigValue.java b/src/main/java/com/dispose/common/SecurityConfigValue.java
index 351ae796..f08c0e36 100644
--- a/src/main/java/com/dispose/common/SecurityConfigValue.java
+++ b/src/main/java/com/dispose/common/SecurityConfigValue.java
@@ -10,7 +10,9 @@ public class SecurityConfigValue {
     /**
      * Instantiates a new Security config value.
      */
-    private SecurityConfigValue() {}
+    private SecurityConfigValue() {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * The constant AES_KEY.
diff --git a/src/main/java/com/dispose/restful/RestfulInterface.java b/src/main/java/com/dispose/restful/RestfulInterface.java
index e74f6168..2c019b8f 100644
--- a/src/main/java/com/dispose/restful/RestfulInterface.java
+++ b/src/main/java/com/dispose/restful/RestfulInterface.java
@@ -25,7 +25,9 @@ public class RestfulInterface {
     /**
      * Instantiates a new Restful interface.
      */
-    private RestfulInterface () {}
+    private RestfulInterface () {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * The constant timeOutValue.
diff --git a/src/main/java/com/dispose/security/arithmetic/CryptoHelper.java b/src/main/java/com/dispose/security/arithmetic/CryptoHelper.java
index 645122ba..a2362a3a 100644
--- a/src/main/java/com/dispose/security/arithmetic/CryptoHelper.java
+++ b/src/main/java/com/dispose/security/arithmetic/CryptoHelper.java
@@ -26,7 +26,9 @@ public class CryptoHelper {
     /**
      * Instantiates a new Crypto helper.
      */
-    private CryptoHelper() {}
+    private CryptoHelper() {
+        throw new AssertionError("Instantiating utility class.");
+    }
 
     /**
      * The constant AES_ALGORITHM_STR.