diff --git a/src/simplesocialauthlib/providers/github.py b/src/simplesocialauthlib/providers/github.py
index eebdf40..3435232 100644
--- a/src/simplesocialauthlib/providers/github.py
+++ b/src/simplesocialauthlib/providers/github.py
@@ -65,7 +65,7 @@ def exchange_code_for_access_token(self, code: str) -> str:
         response.raise_for_status()
         token_response = response.json()
         if "access_token" not in token_response:
-            logger.error(f"Invalid token response: {token_response}")
+            logger.error("Invalid token response: missing 'access_token' field")
             raise CodeExchangeError("Invalid token response: missing 'access_token'")
         return cast(str, token_response["access_token"])
 
diff --git a/src/simplesocialauthlib/providers/google.py b/src/simplesocialauthlib/providers/google.py
index fd1aad9..5d6569f 100644
--- a/src/simplesocialauthlib/providers/google.py
+++ b/src/simplesocialauthlib/providers/google.py
@@ -79,7 +79,7 @@ def exchange_code_for_access_token(self, code: str) -> str:
             code=code,
         )
         if "id_token" not in token:
-            logger.error(f"Invalid token response: {token}")
+            logger.error("Invalid token response: missing 'id_token' field")
             raise CodeExchangeError("Invalid token response: missing 'id_token'")
         return cast(str, token["id_token"])
 
@@ -94,7 +94,7 @@ def retrieve_user_data(self, access_token: str) -> GoogleUserData:
                 ),
             )
             if "accounts.google.com" not in id_info.get("iss", ""):
-                logger.error(f"Invalid token issuer: {id_info.get('iss')}")
+                logger.error("Invalid token issuer detected")
                 raise ValueError("Invalid token issuer")
 
             return GoogleUserData(