diff --git a/lib/messages/inject.ts b/lib/messages/inject.ts
index 132e784..3601863 100644
--- a/lib/messages/inject.ts
+++ b/lib/messages/inject.ts
@@ -7,7 +7,6 @@ import {
     extractParameterKey,
     buildToolIdList,
     createSyntheticAssistantMessageWithToolPart,
-    createSyntheticUserMessage,
 } from "./utils"
 import { getFilePathFromParameters, isProtectedFilePath } from "../protected-file-patterns"
 import { getLastUserMessage } from "../shared-utils"
@@ -140,25 +139,20 @@ export const insertPruneToolContext = (
 
     const userInfo = lastUserMessage.info as UserMessage
     const providerID = userInfo.model.providerID
+    const modelID = userInfo.model.modelID
     const isGitHubCopilot =
         providerID === "github-copilot" || providerID === "github-copilot-enterprise"
+    const isAnthropic = modelID.includes("claude")
 
-    logger.info("Injecting prunable-tools list", {
-        providerID,
-        isGitHubCopilot,
-        injectionType: isGitHubCopilot ? "assistant-with-tool-part" : "user-message",
-    })
-
-    const variant = state.variant ?? (lastUserMessage.info as UserMessage).variant
-    if (isGitHubCopilot) {
-        messages.push(
-            createSyntheticAssistantMessageWithToolPart(
-                lastUserMessage,
-                prunableToolsContent,
-                variant,
-            ),
-        )
-    } else {
-        messages.push(createSyntheticUserMessage(lastUserMessage, prunableToolsContent, variant))
+    if (isGitHubCopilot || isAnthropic) {
+        const lastMessage = messages[messages.length - 1]
+        if (lastMessage?.info?.role === "user") {
+            return
+        }
     }
+
+    const variant = state.variant ?? userInfo.variant
+    messages.push(
+        createSyntheticAssistantMessageWithToolPart(lastUserMessage, prunableToolsContent, variant),
+    )
 }
diff --git a/lib/messages/utils.ts b/lib/messages/utils.ts
index 9a9a2d8..00a5403 100644
--- a/lib/messages/utils.ts
+++ b/lib/messages/utils.ts
@@ -7,37 +7,6 @@ const SYNTHETIC_MESSAGE_ID = "msg_01234567890123456789012345"
 const SYNTHETIC_PART_ID = "prt_01234567890123456789012345"
 const SYNTHETIC_CALL_ID = "call_01234567890123456789012345"
 
-export const createSyntheticUserMessage = (
-    baseMessage: WithParts,
-    content: string,
-    variant?: string,
-): WithParts => {
-    const userInfo = baseMessage.info as UserMessage
-    return {
-        info: {
-            id: SYNTHETIC_MESSAGE_ID,
-            sessionID: userInfo.sessionID,
-            role: "user",
-            time: { created: Date.now() },
-            agent: userInfo.agent || "code",
-            model: {
-                providerID: userInfo.model.providerID,
-                modelID: userInfo.model.modelID,
-            },
-            ...(variant !== undefined && { variant }),
-        },
-        parts: [
-            {
-                id: SYNTHETIC_PART_ID,
-                sessionID: userInfo.sessionID,
-                messageID: SYNTHETIC_MESSAGE_ID,
-                type: "text",
-                text: content,
-            },
-        ],
-    }
-}
-
 export const createSyntheticAssistantMessageWithToolPart = (
     baseMessage: WithParts,
     content: string,
diff --git a/package.json b/package.json
index 2c9e86a..44bf79c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "$schema": "https://json.schemastore.org/package.json",
     "name": "@tarquinen/opencode-dcp",
-    "version": "1.1.6",
+    "version": "1.1.7-beta.1",
     "type": "module",
     "description": "OpenCode plugin that optimizes token usage by pruning obsolete tool outputs from conversation context",
     "main": "./dist/index.js",