diff --git a/src/core/operations/EscapeUnicodeCharacters.mjs b/src/core/operations/EscapeUnicodeCharacters.mjs
index 3fb885ed..04e99a39 100644
--- a/src/core/operations/EscapeUnicodeCharacters.mjs
+++ b/src/core/operations/EscapeUnicodeCharacters.mjs
@@ -50,19 +50,19 @@ class EscapeUnicodeCharacters extends Operation {
                 {
                     match: "\\\\u(?:[\\da-f]{4,6})",
                     flags: "i",
-                    magic:  true,
+                    magic:  false,
                     args: ["\\u"]
                 },
                 {
                     match: "%u(?:[\\da-f]{4,6})",
                     flags: "i",
-                    magic:  true,
+                    magic:  false,
                     args: ["%u"]
                 },
                 {
                     match: "U\\+(?:[\\da-f]{4,6})",
                     flags: "i",
-                    magic:  true,
+                    magic:  false,
                     args: ["U+"]
                 }]
         };
diff --git a/src/core/operations/RenderImage.mjs b/src/core/operations/RenderImage.mjs
index ed6e56ec..ec899ec7 100644
--- a/src/core/operations/RenderImage.mjs
+++ b/src/core/operations/RenderImage.mjs
@@ -44,10 +44,7 @@ class RenderImage extends Operation {
                     magic:  true,
                     args: ["Raw"],
                     useful: true
-                }],
-            mimeCheck: {
-                type: "image"
-            }
+                }]
         };
     }