diff --git a/git-flow-bugfix b/git-flow-bugfix
index e27f05cf..3ff8678b 100644
--- a/git-flow-bugfix
+++ b/git-flow-bugfix
@@ -814,7 +814,7 @@ r,[no]remote     Delete remote branch
 				git_remote_branch_delete "$BRANCH"
 			fi
 		else
-			die "bugfix branch '$BRANCH' has been not been merged yet. Use -f to force the deletion."
+			die "bugfix branch '$BRANCH' has not been merged yet. Use -f to force the deletion."
 		fi
 	fi
 
diff --git a/git-flow-feature b/git-flow-feature
index 0feeb4e6..5232b460 100644
--- a/git-flow-feature
+++ b/git-flow-feature
@@ -815,7 +815,7 @@ r,[no]remote     Delete remote branch
 				git_remote_branch_delete "$BRANCH"
 			fi
 		else
-			die "Feature branch '$BRANCH' has been not been merged yet. Use -f to force the deletion."
+			die "Feature branch '$BRANCH' has not been merged yet. Use -f to force the deletion."
 		fi
 	fi
 
diff --git a/git-flow-hotfix b/git-flow-hotfix
index 514a5099..bdc86cee 100644
--- a/git-flow-hotfix
+++ b/git-flow-hotfix
@@ -715,7 +715,7 @@ r,[no]remote          Delete remote branch
 				git_remote_branch_delete "$BRANCH"
 			fi
 		else
-			die "Hotfix branch '$BRANCH' has been not been merged in branch '$MASTER_BRANCH' and/or branch '$DEVELOP_BRANCH'. Use -f to force the deletion."
+			die "Hotfix branch '$BRANCH' has not been merged in branch '$MASTER_BRANCH' and/or branch '$DEVELOP_BRANCH'. Use -f to force the deletion."
 		fi
 	fi
 
diff --git a/git-flow-release b/git-flow-release
index 88e84b78..26192b94 100644
--- a/git-flow-release
+++ b/git-flow-release
@@ -1100,7 +1100,7 @@ r,[no]remote     Delete remote branch
 				git_remote_branch_delete "$BRANCH"
 			fi
 		else
-			die "Release branch '$BRANCH' has been not been merged in branch '$MASTER_BRANCH' and/or branch '$BASE_BRANCH'. Use -f to force the deletion."
+			die "Release branch '$BRANCH' has not been merged in branch '$MASTER_BRANCH' and/or branch '$BASE_BRANCH'. Use -f to force the deletion."
 		fi
 	fi