diff --git a/src/util/crypto_helper_esign.c b/src/util/crypto_helper_esign.c
index 5c0d9449d..a73e96889 100644
--- a/src/util/crypto_helper_esign.c
+++ b/src/util/crypto_helper_esign.c
@@ -417,7 +417,6 @@ more:
       if (off < sizeof (struct GNUNET_MessageHeader))
         continue;
       msize = ntohs (hdr->size);
-      GNUNET_assert (msize <= sizeof (buf));
       if (off < msize)
         continue;
       switch (ntohs (hdr->type))
diff --git a/src/util/secmod_common.c b/src/util/secmod_common.c
index 0bcf9ae5f..ff95caf50 100644
--- a/src/util/secmod_common.c
+++ b/src/util/secmod_common.c
@@ -271,7 +271,6 @@ TES_read_work (void *cls,
       GNUNET_break_op (0);
       return GNUNET_SYSERR;
     }
-    GNUNET_assert (msize <= sizeof (client->iobuf));
   } while (off < msize);
 
   if (off > msize)