diff --git a/examples/native-sql-example/src/main/resources/META-INF/persistence.xml b/examples/native-sql-example/src/main/resources/META-INF/persistence.xml
index b7e14f9b32..0f12f07274 100644
--- a/examples/native-sql-example/src/main/resources/META-INF/persistence.xml
+++ b/examples/native-sql-example/src/main/resources/META-INF/persistence.xml
@@ -13,7 +13,7 @@
 
             <!-- PostgreSQL -->
             <property name="javax.persistence.jdbc.url"
-                      value="jdbc:postgresql://localhost/hreact"/>
+                      value="postgresql://localhost/hreact"/>
 
             <!-- Credentials -->
             <property name="javax.persistence.jdbc.user"
diff --git a/examples/session-example/src/main/resources/META-INF/persistence.xml b/examples/session-example/src/main/resources/META-INF/persistence.xml
index 4ff93d49a4..ab726dd2e9 100644
--- a/examples/session-example/src/main/resources/META-INF/persistence.xml
+++ b/examples/session-example/src/main/resources/META-INF/persistence.xml
@@ -13,7 +13,7 @@
 
             <!-- PostgreSQL -->
             <property name="javax.persistence.jdbc.url"
-                      value="jdbc:postgresql://localhost/hreact"/>
+                      value="postgresql://localhost/hreact"/>
 
             <!-- Credentials -->
             <property name="javax.persistence.jdbc.user"
@@ -48,7 +48,7 @@
 
             <!-- MySQL -->
             <property name="javax.persistence.jdbc.url"
-                      value="jdbc:mysql://localhost/hreact"/>
+                      value="mysql://localhost/hreact"/>
 
             <!-- Credentials -->
             <property name="javax.persistence.jdbc.user"