diff --git a/src/dc_qr.rs b/src/dc_qr.rs
index c0e2a9a6f..cff54d880 100644
--- a/src/dc_qr.rs
+++ b/src/dc_qr.rs
@@ -188,7 +188,6 @@ pub unsafe fn dc_check_qr(context: &Context, qr: *const libc::c_char) -> *mut dc
             }
         }
         if OK_TO_CONTINUE {
-            {
                 /* check the parameters
                 ---------------------- */
                 if !addr.is_null() {
@@ -208,7 +207,6 @@ pub unsafe fn dc_check_qr(context: &Context, qr: *const libc::c_char) -> *mut dc
                     } 
                 } 
                 if OK_TO_CONTINUE {
-                    {
                         if !fingerprint.is_null() {
                             if strlen(fingerprint) != 40 {
                                 (*qr_parsed).state = 400i32;
@@ -220,7 +218,6 @@ pub unsafe fn dc_check_qr(context: &Context, qr: *const libc::c_char) -> *mut dc
                             } 
                         } 
                         if OK_TO_CONTINUE {
-                            {
                                 if !fingerprint.is_null() {
                                     let peerstate = Peerstate::from_fingerprint(
                                         context,
@@ -306,11 +303,11 @@ pub unsafe fn dc_check_qr(context: &Context, qr: *const libc::c_char) -> *mut dc
                                 if !device_msg.is_null() {
                                     dc_add_device_msg(context, chat_id, device_msg);
                                 }
-                            }
+                            
                         }
-                    }
+                    
                 }
-            }
+            
         }
     }
     free(addr as *mut libc::c_void);