diff --git a/.gitignore b/.gitignore
index 69ca520..1375525 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+.idea/misc.xml
+
 **/.DS_Store
 
 # Compiled class file
diff --git a/.idea/.name b/.idea/.name
deleted file mode 100644
index 03128f2..0000000
--- a/.idea/.name
+++ /dev/null
@@ -1 +0,0 @@
-smarthut
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
deleted file mode 100644
index a55e7a1..0000000
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
-  </state>
-</component>
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
deleted file mode 100644
index fdc392f..0000000
--- a/.idea/jarRepositories.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenRepo" />
-      <option name="name" value="MavenRepo" />
-      <option name="url" value="https://repo.maven.apache.org/maven2/" />
-    </remote-repository>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index c2c3244..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="false" project-jdk-name="11.0.5" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 35eb1dd..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/User.java b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/User.java
index a3b9202..1be3df0 100644
--- a/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/User.java
+++ b/src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/User.java
@@ -2,11 +2,7 @@ package ch.usi.inf.sa4.sanmarinoes.smarthut.models;
 
 import java.util.Set;
 import javax.persistence.*;
-import javax.validation.constraints.Email;
-import javax.validation.constraints.Min;
-import javax.validation.constraints.NotEmpty;
-import javax.validation.constraints.NotNull;
-import javax.validation.constraints.Pattern;
+import javax.validation.constraints.*;
 
 /** A user of the Smarthut application */
 @Entity(name = "smarthutuser")
@@ -33,7 +29,11 @@ public class User {
     @NotNull
     @Column(nullable = false)
     @NotEmpty(message = "Please provide a password")
-    @Min(value = 6, message = "Your password should be at least 6 characters long")
+    @Size(
+            min = 6,
+            max = 255,
+            message =
+                    "Your password should be at least 6 characters long and at most 255 chars long")
     private String password;
 
     /**