Direct answer
Direct Answer - ** You cannot "delete" AI text out of a Grammarly document with a single button, because Grammarly's AI features and its suggestions both live inside your draft rather than in a separate layer. What you can do is (a) turn off Grammarly's generative AI features so no new AI text is added, and (b) rewrite the passages that already read as machine-generated, since detectors such as Turnitin flag prose by its statistical pattern rather than by the app that produced it [1]. Removing the AI signal is a rewriting job, not a settings toggle.
Does Grammarly's AI Text Actually Get Flagged by Turnitin?
Yes — Turnitin's AI writing detection is deliberately tool-agnostic. It analyses the statistical and structural properties of your prose, so text drafted or heavily rewritten by Grammarly's AI features is evaluated on exactly the same basis as text from any other assistant [2]. The report does not say "this came from Grammarly"; it says which segments of the submission show the characteristics of machine-generated writing.
Turnitin reports a percentage of qualifying text per segment rather than one number for the whole document, and it only flags a segment once that segment clears a minimum confidence threshold [1]. That threshold matters practically: a document can be 60% AI-written and still show a low headline figure if the flagged passages are short or interleaved with original writing.
Students are expected to check their own work before final submission, and Turnitin's own guidance for students encourages exactly that pre-submission review step [2]. If a draft has already been run through a checker and returned an AI percentage, that number is a signal to revise — not a verdict about intent.
Two practical caveats follow. First, Grammarly's grammar and spelling suggestions are not "AI text"; they are edits to your own sentences, and rewriting them is unnecessary. Second, AI-paraphrased text is treated differently from AI-generated text, so simply running a paragraph through a paraphraser does not remove the underlying pattern [2].
How Do You Rewrite Grammarly AI Text So It Reads as Human Again?
The core mistake is treating rewriting as a synonym swap. Turnitin's guidance is explicit that reducing AI detection requires changing sentence rhythm and structure, not just replacing words, because detectors respond to the underlying statistical pattern that light editing leaves intact [3]. If you only swap "utilise" for "use," the pattern survives.
Start with sentence variety. Machine-generated prose tends toward uniform sentence length and predictable transitions, so deliberately mixing very short sentences with longer, subordinate ones breaks that regularity [3]. Read the paragraph aloud: if every sentence lands at roughly the same length, that is the tell you are trying to remove.
Then add what a model cannot invent. Concrete, specific detail — a named source, a date, a figure from your own data, a first-person observation from your placement or lab — is the hardest thing for a detector to classify as generic machine output, and it is the fastest way to make a passage read as yours [3].
Finally, accept that light editing often fails. Turnitin's own advice to educators is that students should be taught to revise at the level of argument and structure, because surface-level edits frequently leave the AI signal detectable [3]. Budget real time for this: rewriting three flagged paragraphs properly takes longer than rewriting ten paragraphs badly.
What Is the Fastest Way to Lower a Turnitin AI Score Before You Submit?
The fastest reliable route is to check first, rewrite second, and check again — never submit a draft whose AI score you have not seen. Institutions increasingly treat undisclosed AI-assisted text as an academic-integrity matter, which is why Turnitin frames self-checking as part of the recommended pre-submission workflow rather than an optional extra [4].
It also helps to understand what the score is. Turnitin presents AI detection as a probability indicator, not proof of misconduct, and it advises that the report should be read alongside draft history and context [4]. That is precisely why keeping your drafts and revision history is a practical safeguard: if a flagged passage is later questioned, your version trail shows the work that produced it [4].
For genuinely flagged passages, the realistic options are manual rewriting (slow but fully under your control) or a dedicated humanizing pass that rewrites flagged text while preserving meaning, citations, headings and formatting. Either way, the sequence is the same: obtain a real AI report on the current draft, target only the flagged segments, then re-check to confirm the score moved [4].
If you would rather not spend an evening rewriting flagged paragraphs by hand, turnitin0 was built for exactly this step: run a real Turnitin AI and similarity report on your draft, then humanize only the passages that actually triggered a flag.
※ Turnitin0.com - AI Humanizer Bypassing Turnitin AI Detector
FAQ
Can I remove AI text from Grammarly by turning off its AI features?
Turning off Grammarly's generative features stops new AI text from being added, but it does nothing to text already in your draft. Existing AI-sounding passages still need to be rewritten, because detection works on the prose pattern rather than on the app [1].
Does Grammarly's plagiarism checker tell me my Turnitin AI score?
No. Grammarly's similarity check and Turnitin's AI writing detection are separate systems, and Turnitin only flags segments that clear its own confidence threshold [1]. To see the number an instructor would see, you need a Turnitin-format AI report on the current draft [2].
Will paraphrasing my AI text make the flag disappear?
Usually not on its own. Turnitin treats AI-paraphrased text as its own category, and its guidance notes that surface-level edits often leave the detectable pattern intact [2][3]. Structural rewriting plus specific, cited detail is what actually moves the score.
How long should rewriting take?
Plan for more time than you expect. Turnitin's guidance to educators is that revision has to happen at the level of argument and sentence structure, which is slower than synonym swapping but is the only approach that reliably reduces detection [3].
Is a high AI score proof that I cheated?
No. Turnitin presents AI detection as a probability indicator rather than proof of misconduct, and recommends reading the report alongside draft history and context — which is why keeping your drafts matters [4].