diff --git a/agent/command-ssh.c b/agent/command-ssh.c
index c0b608a4a..94538b3d8 100644
--- a/agent/command-ssh.c
+++ b/agent/command-ssh.c
@@ -1247,6 +1247,8 @@ ssh_signature_encoder_ecdsa (ssh_key_type_spec_t *spec,
   gpg_error_t err;
   int i;
 
+  (void)spec;
+
   innerlen = 0;
   for (i = 0; i < DIM(data); i++)
     {
diff --git a/g13/g13.c b/g13/g13.c
index 82ed9d895..fca9e7a19 100644
--- a/g13/g13.c
+++ b/g13/g13.c
@@ -323,7 +323,7 @@ main ( int argc, char **argv)
   int orig_argc;
   char **orig_argv;
   gpg_error_t err = 0;
-  const char *fname;
+  /* const char *fname; */
   int may_coredump;
   FILE *configfp = NULL;
   char *configname = NULL;
@@ -334,10 +334,10 @@ main ( int argc, char **argv)
   char *logfile = NULL;
   int greeting = 0;
   int nogreeting = 0;
-  int debug_wait = 0;
+  /* int debug_wait = 0; */
   int use_random_seed = 1;
-  int nodetach = 0;
-  int nokeysetup = 0;
+  /* int nodetach = 0; */
+  /* int nokeysetup = 0; */
   enum cmd_and_opt_values cmd = 0;
   struct server_control_s ctrl;
   strlist_t recipients = NULL;
@@ -473,13 +473,13 @@ main ( int argc, char **argv)
 	case aGPGConfTest:
           set_cmd (&cmd, pargs.r_opt);
           nogreeting = 1;
-          nokeysetup = 1;
+          /* nokeysetup = 1; */
           break;
 
         case aServer:
         case aMount:
         case aUmount:
-          nokeysetup = 1;
+          /* nokeysetup = 1; */
         case aCreate:
           set_cmd (&cmd, pargs.r_opt);
           break;
@@ -504,13 +504,13 @@ main ( int argc, char **argv)
         case oLogFile: logfile = pargs.r.ret_str; break;
         case oNoLogFile: logfile = NULL; break;
 
-        case oNoDetach: nodetach = 1; break;
+        case oNoDetach: /*nodetach = 1; */break;
 
         case oDebug: debug_value |= pargs.r.ret_ulong; break;
         case oDebugAll: debug_value = ~0; break;
         case oDebugNone: debug_value = 0; break;
         case oDebugLevel: debug_level = pargs.r.ret_str; break;
-        case oDebugWait: debug_wait = pargs.r.ret_int; break;
+        case oDebugWait: /*debug_wait = pargs.r.ret_int; */break;
         case oDebugAllowCoreDump:
           may_coredump = enable_core_dumps ();
           break;
@@ -653,7 +653,7 @@ main ( int argc, char **argv)
     }
 
   /* Store given filename into FNAME. */
-  fname = argc? *argv : NULL;
+  /* fname = argc? *argv : NULL; */
 
   /* Parse all given encryption keys.  This does a lookup of the keys
      and stops if any of the given keys was not found. */
diff --git a/tools/gpgconf-comp.c b/tools/gpgconf-comp.c
index 9dbddeee9..0b3c9c0e7 100644
--- a/tools/gpgconf-comp.c
+++ b/tools/gpgconf-comp.c
@@ -3382,7 +3382,6 @@ gc_process_gpgconf_conf (const char *fname_arg, int update, int defaults,
   int in_rule = 0;
   int got_match = 0;
   int runtime[GC_BACKEND_NR];
-  int used_components[GC_COMPONENT_NR];
   int backend_id, component_id;
   char *fname;
 
@@ -3393,8 +3392,6 @@ gc_process_gpgconf_conf (const char *fname_arg, int update, int defaults,
 
   for (backend_id = 0; backend_id < GC_BACKEND_NR; backend_id++)
     runtime[backend_id] = 0;
-  for (component_id = 0; component_id < GC_COMPONENT_NR; component_id++)
-    used_components[component_id] = 0;
 
   config = fopen (fname, "r");
   if (!config)
@@ -3621,9 +3618,6 @@ gc_process_gpgconf_conf (const char *fname_arg, int update, int defaults,
 
           if (defaults)
             {
-              assert (component_id >= 0 && component_id < GC_COMPONENT_NR);
-              used_components[component_id] = 1;
-
               /* Here we explicitly allow to update the value again.  */
               if (newflags)
                 {