diff --git a/meilisearch/_httprequests.py b/meilisearch/_httprequests.py
index 1c5b8f82..7f35bbdc 100644
--- a/meilisearch/_httprequests.py
+++ b/meilisearch/_httprequests.py
@@ -49,6 +49,8 @@ def send_request(
     ) -> Any:
         if content_type:
             self.headers["Content-Type"] = content_type
+        else:
+            self.headers.pop("Content-Type", None)
         try:
             request_path = self.config.url + "/" + path
             if http_method.__name__ == "get":
@@ -162,6 +164,8 @@ def post_stream(
         """
         if content_type:
             self.headers["Content-Type"] = content_type
+        else:
+            self.headers.pop("Content-Type", None)
         try:
             request_path = self.config.url + "/" + path
 
diff --git a/tests/client/test_http_requests.py b/tests/client/test_http_requests.py
index 7093aa69..deda5116 100644
--- a/tests/client/test_http_requests.py
+++ b/tests/client/test_http_requests.py
@@ -1,3 +1,5 @@
+import requests
+
 from meilisearch._httprequests import HttpRequests
 from meilisearch.config import Config
 from meilisearch.version import qualified_version
@@ -28,3 +30,16 @@ def test_get_headers_with_multiple_user_agent():
         http.headers["User-Agent"]
         == qualified_version() + ";Meilisearch Package1 (v1.1.1);Meilisearch Package2 (v2.2.2)"
     )
+
+
+def test_reset_content_type_header():
+    """Tests that the content type header is reset when no content type is provided."""
+    config = Config(BASE_URL, MASTER_KEY, timeout=None)
+    http = HttpRequests(config=config)
+
+    http.headers["Content-Type"] = "application/json"
+    assert http.headers["Content-Type"] == "application/json"
+
+    http.send_request(http_method=requests.get, path="health")
+
+    assert "Content-Type" not in http.headers