diff --git a/+FMIKit/getBlockDialog.m b/+FMIKit/getBlockDialog.m
index f174f69..f99c4c6 100644
--- a/+FMIKit/getBlockDialog.m
+++ b/+FMIKit/getBlockDialog.m
@@ -5,14 +5,6 @@
     block = get_param(block, 'Handle');
 end
 
-% check library version
-libraryVersion = char(fmikit.ui.FMUBlockDialog.FMI_KIT_VERSION);
-
-% still using the 2.7 format for userData struct
-if ~strcmp(fmikit.ui.FMUBlockDialog.FMI_KIT_VERSION, '2.7')
-    error(['Wrong fmikit.jar version. Expected 2.7 but was ' libraryVersion '.'])
-end
-
 dialog = javaMethod('getDialog', 'fmikit.ui.FMUBlockDialog', block);
 
 end
diff --git a/+FMIKit/initialize.m b/+FMIKit/initialize.m
index 94726ed..7cf4b2e 100644
--- a/+FMIKit/initialize.m
+++ b/+FMIKit/initialize.m
@@ -56,6 +56,13 @@ function initialize()
     msg = true;
 end
 
+% check fmikit.jar version
+jarVersion = char(fmikit.ui.FMUBlockDialog.FMI_KIT_VERSION);
+if ~strcmp(jarVersion, FMIKit.version)
+    error(['Wrong fmikit.jar version. Expected ' FMIKit.version ...
+      ' but was ' jarVersion '.'])
+end
+
 % delete re-saved block library
 close_system('FMIKit_blocks', 0);
 library_file = fullfile(folder, 'FMIKit_blocks.slx');
@@ -90,8 +97,7 @@ function initialize()
 end
 
 if msg
-    disp(['Initializing FMI Kit ' [num2str(FMIKit.majorVersion) '.' ...
-        num2str(FMIKit.minorVersion) '.' num2str(FMIKit.patchVersion)]])
+    disp(['Initializing FMI Kit ' FMIKit.version])
         
     % check MATLAB version
     rel = version('-release');
diff --git a/+FMIKit/majorVersion.m b/+FMIKit/majorVersion.m
deleted file mode 100644
index b3e717a..0000000
--- a/+FMIKit/majorVersion.m
+++ /dev/null
@@ -1,6 +0,0 @@
-function v = majorVersion()
-% FMIKit.majorVersion  Get the major version of FMI Kit
-
-v = 2;
-
-end
diff --git a/+FMIKit/minorVersion.m b/+FMIKit/minorVersion.m
deleted file mode 100644
index 7df7c10..0000000
--- a/+FMIKit/minorVersion.m
+++ /dev/null
@@ -1,6 +0,0 @@
-function v = minorVersion()
-% FMIKit.minorVersion  Get the minor version of FMI Kit
-
-v = 9;
-
-end
diff --git a/+FMIKit/patchVersion.m b/+FMIKit/patchVersion.m
deleted file mode 100644
index 8121280..0000000
--- a/+FMIKit/patchVersion.m
+++ /dev/null
@@ -1,6 +0,0 @@
-function v = patchVersion()
-% FMIKit.patchVersion  Get the patch version of FMI Kit
-
-v = 0;
-
-end
diff --git a/+FMIKit/private/getUserData.m b/+FMIKit/private/getUserData.m
index d71212e..53421aa 100644
--- a/+FMIKit/private/getUserData.m
+++ b/+FMIKit/private/getUserData.m
@@ -15,60 +15,8 @@
     userData.startValues(parameter.Prompt) = parameter.Value;
 end
 
-if any(strcmp(userData.fmiKitVersion, {'2.4', '2.6'}))
-
-    disp(['Updating ' getfullname(block) ' that was imported with an older version of FMI Kit.'])
-
-    userData.fmiKitVersion = '2.7';
-    set_param(block, 'UserData', userData);
-
-    % re-import the FMU
-    dialog = FMIKit.showBlockDialog(block, false);
-    dialog.loadFMU(false);
-    applyDialog(dialog);
-
-    model = bdroot(block);
-    set_param(model, 'Dirty', 'on');
-
-    disp('Save the model to apply the changes.')
-
-    userData = get_param(block, 'UserData');
-
-end
-
-if ~isfield(userData, 'relativeTolerance')
-    disp(['Adding userData.relativeTolerance to ' getfullname(block)])
-    userData.relativeTolerance = '0';
-    set_param(block, 'UserData', userData, 'UserDataPersistent', 'on')
-    save_system
-end
-
-if ~isfield(userData, 'logFMICalls')
-    disp(['Adding userData.logFMICalls to ' getfullname(block)])
-    userData.logFMICalls = false;
-    set_param(block, 'UserData', userData, 'UserDataPersistent', 'on')
-    save_system
-end
-
-if ~isfield(userData, 'logLevel')
-    disp(['Adding userData.logLevel to ' getfullname(block)])
-    userData.logLevel = 0;
-    set_param(block, 'UserData', userData, 'UserDataPersistent', 'on')
-    save_system
-end
-
-if ~isfield(userData, 'logFile')
-    disp(['Adding userData.logFile to ' getfullname(block)])
-    userData.logFile = '';
-    set_param(block, 'UserData', userData, 'UserDataPersistent', 'on')
-    save_system
-end
-
-if ~isfield(userData, 'logToFile')
-    disp(['Adding userData.logToFile to ' getfullname(block)])
-    userData.logToFile = false;
-    set_param(block, 'UserData', userData, 'UserDataPersistent', 'on')
-    save_system
+if ~strcmp(userData.fmiKitVersion, FMIKit.version)
+    error([getfullname(block) ' was imported with an incompatible version of FMI Kit. Please re-import the FMU.']);
 end
 
 end
diff --git a/+FMIKit/version.m b/+FMIKit/version.m
index 6b2eaa9..0fcaa5b 100644
--- a/+FMIKit/version.m
+++ b/+FMIKit/version.m
@@ -1,6 +1,6 @@
 function v = version()
 % FMIKit.version  Get the version of FMI Kit
 
-v = [num2str(FMIKit.majorVersion) '.' num2str(FMIKit.minorVersion)];
+v = '3.0-beta.1';
 
 end
diff --git a/Java/src/main/java/fmikit/ui/FMUBlockDialog.java b/Java/src/main/java/fmikit/ui/FMUBlockDialog.java
index e1bac00..0b0c48b 100644
--- a/Java/src/main/java/fmikit/ui/FMUBlockDialog.java
+++ b/Java/src/main/java/fmikit/ui/FMUBlockDialog.java
@@ -78,7 +78,7 @@ public class FMUBlockDialog extends JDialog {
     private JCheckBox resettableCheckBox;
 
     public static boolean debugLogging = false;
-    public static final String FMI_KIT_VERSION = "2.7";
+    public static final String FMI_KIT_VERSION = "3.0-beta.1";
     public static final int MODEL_EXCHANGE = 0;
     public static final int CO_SIMULATION = 1;
     public static HashMap<Double, FMUBlockDialog> dialogs = new HashMap<Double, FMUBlockDialog>();
@@ -648,8 +648,8 @@ public void setUserData(UserData userData) {
         this.userData = userData;
 
         // check the format version
-        if (!userData.fmiKitVersion.startsWith(FMI_KIT_VERSION)) {
-            throw new RuntimeException("Wrong FMI Kit version. Expected " + FMI_KIT_VERSION + " but was " + userData.fmiKitVersion);
+        if (!FMI_KIT_VERSION.equals(userData.fmiKitVersion)) {
+            throw new RuntimeException("UserData has the wrong format version. Expected " + FMI_KIT_VERSION + " but was " + userData.fmiKitVersion);
         }
 
         // Overview tab
diff --git a/examples/fmikit_demo_BouncingBall.slx b/examples/fmikit_demo_BouncingBall.slx
index e38a0ba..a949468 100644
Binary files a/examples/fmikit_demo_BouncingBall.slx and b/examples/fmikit_demo_BouncingBall.slx differ