diff --git a/skeletons/constr_CHOICE_jer.c b/skeletons/constr_CHOICE_jer.c
index 960fa8e8b..674cd1573 100644
--- a/skeletons/constr_CHOICE_jer.c
+++ b/skeletons/constr_CHOICE_jer.c
@@ -140,12 +140,12 @@ CHOICE_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
         }
 
         scv = jer_check_sym(buf_ptr, ch_size, NULL);
-        ASN_DEBUG("JER/CHOICE checked [%c%c%c%c] vs [%s], scv=%d",
+        ASN_DEBUG("JER/CHOICE checked [%c%c%c%c], scv=%d",
                   ch_size>0?((const uint8_t *)buf_ptr)[0]:'?',
                   ch_size>1?((const uint8_t *)buf_ptr)[1]:'?',
                   ch_size>2?((const uint8_t *)buf_ptr)[2]:'?',
                   ch_size>3?((const uint8_t *)buf_ptr)[3]:'?',
-                  json_key, scv);
+                  scv);
 
         /* Skip the extensions section */
         if(ctx->phase == 4) {
@@ -249,12 +249,12 @@ CHOICE_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
         }
 
         ASN_DEBUG("Unexpected JSON key [%c%c%c%c] in CHOICE [%s]"
-                  " (ph=%d, key=%s)",
+                  " (ph=%d)",
                   ch_size>0?((const uint8_t *)buf_ptr)[0]:'?',
                   ch_size>1?((const uint8_t *)buf_ptr)[1]:'?',
                   ch_size>2?((const uint8_t *)buf_ptr)[2]:'?',
                   ch_size>3?((const uint8_t *)buf_ptr)[3]:'?',
-                  td->name, ctx->phase, json_key);
+                  td->name, ctx->phase);
         break;
     }
 
diff --git a/skeletons/constr_SEQUENCE_jer.c b/skeletons/constr_SEQUENCE_jer.c
index fd0a539eb..ab1bed41e 100644
--- a/skeletons/constr_SEQUENCE_jer.c
+++ b/skeletons/constr_SEQUENCE_jer.c
@@ -145,8 +145,8 @@ SEQUENCE_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
         }
 
         scv = jer_check_sym(ptr, ch_size, NULL);
-        ASN_DEBUG("JER/SEQUENCE: scv = %d, ph=%d [%s]",
-                  scv, ctx->phase, json_key);
+        ASN_DEBUG("JER/SEQUENCE: scv = %d, ph=%d",
+                  scv, ctx->phase);
 
 
         /* Skip the extensions section */
diff --git a/skeletons/constr_SET_OF_jer.c b/skeletons/constr_SET_OF_jer.c
index a900a7d46..87b926ac2 100644
--- a/skeletons/constr_SET_OF_jer.c
+++ b/skeletons/constr_SET_OF_jer.c
@@ -79,8 +79,7 @@ SET_OF_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
             asn_dec_rval_t tmprval = {RC_OK, 0};
 
             /* Invoke the inner type decoder, m.b. multiple times */
-            ASN_DEBUG("JER/SET OF element [%s]", elm_tag(*element->name) ? 
-                      element->name : element->type->xml_tag);
+            ASN_DEBUG("JER/SET OF element [%s]", element->type->xml_tag);
             tmprval = element->type->op->jer_decoder(opt_codec_ctx,
                                                      element->type,
                                                      &ctx->ptr,
@@ -124,8 +123,8 @@ SET_OF_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
         }
 
         scv = jer_check_sym(buf_ptr, ch_size, NULL);
-        ASN_DEBUG("JER/SET OF: scv = %d, ph=%d t=%s",
-                  scv, ctx->phase, json_key);
+        ASN_DEBUG("JER/SET OF: scv = %d, ph=%d",
+                  scv, ctx->phase);
         switch(scv) {
         case JCK_AEND:
             if(ctx->phase == 0) break;
diff --git a/skeletons/constr_SET_jer.c b/skeletons/constr_SET_jer.c
index 1bc285b74..a8c5a17af 100644
--- a/skeletons/constr_SET_jer.c
+++ b/skeletons/constr_SET_jer.c
@@ -147,8 +147,8 @@ SET_decode_jer(const asn_codec_ctx_t *opt_codec_ctx,
         }
 
         scv = jer_check_sym(ptr, ch_size, NULL);
-        ASN_DEBUG("JER/SET: scv = %d, ph=%d [%s]",
-                  scv, ctx->phase, json_key);
+        ASN_DEBUG("JER/SET: scv = %d, ph=%d",
+                  scv, ctx->phase);
 
 
         /* Skip the extensions section */