Goldar's wings were removed by Rita Repulsa as a direct consequence of his consistent failures in battling the Power Rangers. This significant punishment visually represented his demotion and loss of favor within her ranks.
The implied reason for this drastic change, stemming from his repeated defeats, was solidified and definitively confirmed during the events of the Power Rangers Zeo series. This marked a pivotal moment for the character, as the absence of his wings underscored his diminished status and power following numerous unsuccessful attempts to overcome the Rangers.
His loss of flight capabilities was a clear sign of Rita's displeasure and a drastic measure to discipline her most prominent warrior for his inability to achieve victory.
