diff --git a/eo-runtime/src/main/java/org/eolang/ExpectFailureInMust.java b/eo-runtime/src/main/java/org/eolang/ExpectFailureInMust.java
index b3a78f65c2..58c32fa412 100644
--- a/eo-runtime/src/main/java/org/eolang/ExpectFailureInMust.java
+++ b/eo-runtime/src/main/java/org/eolang/ExpectFailureInMust.java
@@ -44,14 +44,5 @@ class ExpectFailureInMust extends ExFailure {
     public ExpectFailureInMust(final String cause, final Object... args) {
         super(String.format(cause, args));
     }
-
-    /**
-     * Ctor.
-     * @param cause Exception cause
-     * @param root Cause exception
-     */
-    public ExpectFailureInMust(final String cause, final Throwable root) {
-        super(cause, root);
-    }
 }
 
diff --git a/eo-runtime/src/main/java/org/eolang/ExpectFailureInThat.java b/eo-runtime/src/main/java/org/eolang/ExpectFailureInThat.java
index 89eade23d2..08f04a1ca1 100644
--- a/eo-runtime/src/main/java/org/eolang/ExpectFailureInThat.java
+++ b/eo-runtime/src/main/java/org/eolang/ExpectFailureInThat.java
@@ -34,7 +34,7 @@ class ExpectFailureInThat extends ExFailure {
     /**
      * Serialization identifier.
      */
-    private static final long serialVersionUID = 597748358437012215L;
+    private static final long serialVersionUID = 597748358437012218L;
 
     /**
      * Ctor.
@@ -44,14 +44,5 @@ class ExpectFailureInThat extends ExFailure {
     public ExpectFailureInThat(final String cause, final Object... args) {
         super(String.format(cause, args));
     }
-
-    /**
-     * Ctor.
-     * @param cause Exception cause
-     * @param root Cause exception
-     */
-    public ExpectFailureInThat(final String cause, final Throwable root) {
-        super(cause, root);
-    }
 }