diff --git a/i18n/en-gb.json b/i18n/en-gb.json
index b06305c2..824305c8 100644
--- a/i18n/en-gb.json
+++ b/i18n/en-gb.json
@@ -6,6 +6,5 @@
 		]
 	},
 	"pfunc_expr_unrecognised_word": "Expression error: Unrecognised word \"$1\".",
-	"pfunc_expr_missing_operand": "Gwall mynegiad: Operand ar gyfer $1 ar goll.",
 	"pfunc_expr_unrecognised_punctuation": "Expression error: Unrecognised punctuation character \"$1\"."
 }