public static void removeVariable(GrVariable variable) { final GrVariableDeclaration varDecl = (GrVariableDeclaration) variable.getParent(); final List<GrVariable> variables = Arrays.asList(varDecl.getVariables()); if (!variables.contains(variable)) { throw new IllegalArgumentException(); } final PsiElement parent = varDecl.getParent(); final ASTNode owner = parent.getNode(); if (variables.size() == 1 && owner != null) { PsiElement next = varDecl.getNextSibling(); // remove redundant semicolons //noinspection ConstantConditions while (next != null && next.getNode() != null && next.getNode().getElementType() == mSEMI) { PsiElement tmpNext = next.getNextSibling(); //noinspection ConstantConditions next.delete(); next = tmpNext; } removeNewLineAfter(varDecl); varDecl.delete(); return; } variable.delete(); }