Fill in the page numbers, sign, and date. Complete the Motion.The motion must be made before filing a responsive pleading and must point out the defects complained of and the details desired. If no responsive pleading is permitted, a motion to strike must be made within 21 days after being served with the pleading. (f)Motion to Strike. The court may strike from a pleading an insufficient defense or any redundant, immaterial, impertinent, or scandalous matter. 1. Any party of record may file a motion to strike the testimony of a witness. The party must: (a) File the motion to strike, in writing, with the Commission. A motion to strike is a request to a judge that part of a party's pleading or a piece of evidence be removed from the record. A Motion to Strike can remove pleas, statements, and evidence from judicial proceedings in a lawsuit.