diff --git a/dist/api/anthropic-messages.js b/dist/api/anthropic-messages.js
index befb18b2e7d519b3731f6355921de1cb7892c7ac..7b7da85be215d3f91235ef4c32d4aa0f512ea6a5 100644
--- a/dist/api/anthropic-messages.js
+++ b/dist/api/anthropic-messages.js
@@ -588,7 +588,6 @@
                         const block = blocks[index];
                         if (block && block.type === "toolCall") {
                             block.partialJson += event.delta.partial_json;
-                            block.arguments = parseStreamingJson(block.partialJson);
                             stream.push({
                                 type: "toolcall_delta",
                                 contentIndex: index,
diff --git a/dist/api/bedrock-converse-stream.js b/dist/api/bedrock-converse-stream.js
index 6ec62d045eab17f1298c39962cbada2073cb1bd3..abe5eeee081f608be3a5eb7c866684e807c0521c 100644
--- a/dist/api/bedrock-converse-stream.js
+++ b/dist/api/bedrock-converse-stream.js
@@ -461,7 +461,6 @@
     }
     else if (delta?.toolUse && block?.type === "toolCall") {
         block.partialJson = (block.partialJson || "") + (delta.toolUse.input || "");
-        block.arguments = parseStreamingJson(block.partialJson);
         stream.push({ type: "toolcall_delta", contentIndex: index, delta: delta.toolUse.input || "", partial: output });
     }
     else if (delta?.reasoningContent) {
diff --git a/dist/api/mistral-conversations.js b/dist/api/mistral-conversations.js
index 9038a1c498e0ea0d305fcfdc946455e72714683b..afda5ea6c3bed6abee984d0cb308a769636d01a7 100644
--- a/dist/api/mistral-conversations.js
+++ b/dist/api/mistral-conversations.js
@@ -570,7 +570,6 @@
                 ? toolCall.function.arguments
                 : JSON.stringify(toolCall.function.arguments || {});
             block.partialArgs = (block.partialArgs || "") + argsDelta;
-            block.arguments = parseStreamingJson(block.partialArgs);
             stream.push({
                 type: "toolcall_delta",
                 contentIndex: toolBlocksByKey.get(key),
diff --git a/dist/api/openai-completions.js b/dist/api/openai-completions.js
index 0eeaffa968628593cf6e9f8648650149a97ed55b..fdafb4cfdee8a65bbef86cd1c3a06317c1d87857 100644
--- a/dist/api/openai-completions.js
+++ b/dist/api/openai-completions.js
@@ -453,7 +453,6 @@
                             if (toolCall.function?.arguments) {
                                 delta = toolCall.function.arguments;
                                 block.partialArgs = (block.partialArgs ?? "") + toolCall.function.arguments;
-                                block.arguments = parseStreamingJson(block.partialArgs);
                             }
                             else if (toolCall.custom?.input) {
                                 const nextInput = getCustomToolCallInput(block) + toolCall.custom.input;
diff --git a/dist/api/openai-responses-shared.js b/dist/api/openai-responses-shared.js
index af5f042285334542b9b39239cd9ea540916a1c32..b9f00fbe3a2ba4e7dfabfe4bcca3c54cb2d55f9f 100644
--- a/dist/api/openai-responses-shared.js
+++ b/dist/api/openai-responses-shared.js
@@ -561,7 +561,6 @@
             if (!slot || slot.block.partialJson === undefined)
                 continue;
             slot.block.partialJson += event.delta;
-            slot.block.arguments = parseStreamingJson(slot.block.partialJson);
             pushToolCallDelta(slot, event.delta);
         }
         else if (event.type === "response.function_call_arguments.done") {
diff --git a/dist/api/pi-messages.js b/dist/api/pi-messages.js
index 7da1c45de8a106a68411cf79bec75f553534a1c7..296d131b59b1cf75f2516c39e85bba72972b2c17 100644
--- a/dist/api/pi-messages.js
+++ b/dist/api/pi-messages.js
@@ -155,8 +155,6 @@
             case "toolcall_delta": {
                 const json = `${toolJson.get(event.contentIndex) ?? ""}${event.delta}`;
                 toolJson.set(event.contentIndex, json);
-                partial.content[event.contentIndex].arguments =
-                    parseStreamingJson(json);
                 break;
             }
             case "toolcall_end":