diff --git a/src/typval.c b/src/typval.c
index 23ce712..eb0ef77 100644
--- a/src/typval.c
+++ b/src/typval.c
@@ -528,6 +528,7 @@
 	    || check_for_dict_arg(args, idx) != FAIL);
 }
 
+#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
 /*
  * Give an error and return FAIL unless "args[idx]" is a channel or a job.
  */
@@ -576,6 +577,7 @@
     return (args[idx].v_type == VAR_UNKNOWN
 	    || check_for_job_arg(args, idx) != FAIL);
 }
+#endif
 
 /*
  * Give an error and return FAIL unless "args[idx]" is a string or
@@ -642,6 +644,7 @@
 	    || check_for_lnum_arg(args, idx));
 }
 
+#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
 /*
  * Give an error and return FAIL unless "args[idx]" is a string or a blob.
  */
@@ -655,6 +658,7 @@
     }
     return OK;
 }
+#endif
 
 /*
  * Give an error and return FAIL unless "args[idx]" is a string or a list.