diff --git a/src/cm/cm.c b/src/cm/cm.c
index b606f83..9dffc1d 100644
--- a/src/cm/cm.c
+++ b/src/cm/cm.c
@@ -74,6 +74,7 @@ static void cm_ginit(gen_f *generators, bool prime) {
 		}
 		generators[OFFSET_ORDER] = &cm_gen_order;
 	} else if (cfg->method == METHOD_ANOMALOUS) {
+		GET(random); // Used within the method.
 		generators[OFFSET_FIELD] = &anomalous_gen_field;
 		generators[OFFSET_A] = &gen_skip;
 		generators[OFFSET_B] = &anomalous_gen_equation;
@@ -247,6 +248,7 @@ int cm_do() {
 	if (result) {
 		return result;
 	}
+	GET(count);
 	config_report_unused();
 	result = exhaustive_generate(&setup);
 
diff --git a/src/ecgen.c b/src/ecgen.c
index 238311b..3c9b227 100644
--- a/src/ecgen.c
+++ b/src/ecgen.c
@@ -120,6 +120,7 @@ int main(int argc, char *argv[]) {
 	}
 
 	int status;
+	GET(method);
 	if (cfg->method == METHOD_CM || cfg->method == METHOD_ANOMALOUS ||
 	    cfg->method == METHOD_SUPERSINGULAR) {
 		status = cm_do();
diff --git a/src/exhaustive/exhaustive.c b/src/exhaustive/exhaustive.c
index 413f93b..6523170 100644
--- a/src/exhaustive/exhaustive.c
+++ b/src/exhaustive/exhaustive.c
@@ -484,6 +484,7 @@ int exhaustive_do() {
 	                      .check_argss = check_argss,
 	                      .unrolls = unrolls};
 	exhaustive_init(&setup);
+	GET(count);
 	config_report_unused();
 	int result = exhaustive_generate(&setup);
 	exhaustive_quit(&setup);
diff --git a/src/invalid/invalid.c b/src/invalid/invalid.c
index d7433fc..3679c6b 100644
--- a/src/invalid/invalid.c
+++ b/src/invalid/invalid.c
@@ -77,7 +77,6 @@ static size_t invalid_primes(GEN order, pari_ulong **primes) {
 	pari_ulong upper = 0;
 	size_t nprimes = 0;
 
-	GET(invalid_primes);
 	if (cfg->invalid_primes) {
 		char *end = NULL;
 		last = (pari_ulong)strtol(cfg->invalid_primes, &end, 10) - 1;
@@ -353,6 +352,7 @@ int invalid_do() {
 	                              .check_argss = common_check_argss,
 	                              .unrolls = common_unrolls};
 	invalid_invalid_ginit(invalid_gens);
+	GET(invalid_primes);
 	config_report_unused();
 
 	debug_log_start("Starting to create curve to invalidate");
diff --git a/src/io/cli.c b/src/io/cli.c
index 5307d70..5f29047 100644
--- a/src/io/cli.c
+++ b/src/io/cli.c
@@ -205,6 +205,16 @@ static void cli_end(struct argp_state *state) {
 		             "Can only generate supersingular curves over prime fields "
 		             "currently.");
 	}
+	// Some method specific things
+	if (cfg->method == METHOD_SEED && cfg->seed_algo == SEED_NUMS &&
+	    cfg->random) {
+		argp_failure(state, 1, 0,
+		             "NUMS curve generation is a deterministic process.");
+	}
+	if (cfg->method == METHOD_ANOMALOUS && !cfg->random) {
+		argp_failure(state, 1, 0,
+			"Anomalous curves can only be generated randomly (specify the -r option).");
+	}
 	// default values
 	if (!cfg->count) {
 		cfg->count = 1;
diff --git a/src/misc/config.c b/src/misc/config.c
index 8beeae0..155cbb4 100644
--- a/src/misc/config.c
+++ b/src/misc/config.c
@@ -4,6 +4,7 @@
  */
 #include "config.h"
 #include <stdio.h>
+#include <stdlib.h>
 
 config_t cfg_s;
 config_t *cfg = &cfg_s;
@@ -15,83 +16,108 @@ config_names_t cfg_set_s = {0};
 config_names_t *cfg_set = &cfg_set_s;
 
 void config_report_unused() {
+	bool unused = false;
 	if (cfg_set->field && !cfg_used->field) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument \"field\" (--fp/--f2m).\n");
+		unused = true;
 	}
 	if (cfg_set->method && !cfg_used->method) {
 		fprintf(stderr, "Warning: Ignored command-line argument method.\n");
+		unused = true;
 	}
 	if (cfg_set->count && !cfg_used->count) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument count (-c/--count).\n");
+		unused = true;
 	}
 	if (cfg_set->random && !cfg_used->random) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument random (-r/--random).\n");
+		unused = true;
 	}
 	if (cfg_set->prime && !cfg_used->prime) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument prime (-p/--prime).\n");
+		unused = true;
 	}
 	if (cfg_set->cm_order && !cfg_used->cm_order) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument cm_order (-n/--order).\n");
+		unused = true;
 	}
 	if (cfg_set->koblitz && !cfg_used->koblitz) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument koblitz (-K/--koblitz).\n");
+		unused = true;
 	}
 	if (cfg_set->koblitz_value && !cfg_used->koblitz_value) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument koblitz_value "
 		        "(-K/--koblitz).\n");
+		unused = true;
 	}
 	if (cfg_set->smooth && !cfg_used->smooth) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument smooth (-B/--smooth).\n");
+		unused = true;
 	}
 	if (cfg_set->cofactor && !cfg_used->cofactor) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument cofactor "
 		        "(-k/--cofactor).\n");
+		unused = true;
 	}
 	if (cfg_set->invalid_primes && !cfg_used->invalid_primes) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument invalid_primes "
 		        "(-i/--invalid).\n");
+		unused = true;
 	}
 	if (cfg_set->seed_algo && !cfg_used->seed_algo) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument seed_algo (-s/--ansi).\n");
+		unused = true;
 	}
 	if (cfg_set->seed && !cfg_used->seed) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument seed (-s/--ansi).\n");
+		unused = true;
 	}
 	if (cfg_set->unique && !cfg_used->unique) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument unique (-u/--unique).\n");
+		unused = true;
 	}
 	if (cfg_set->hex_check && !cfg_used->hex_check) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument hex_check "
 		        "(--hex-check).\n");
+		unused = true;
 	}
 	if (cfg_set->points && !cfg_used->points) {
 		fprintf(stderr,
 		        "Warning: Ignored command-line argument points (--points).\n");
+		unused = true;
 	}
 	if (cfg_set->metadata && !cfg_used->metadata) {
 		fprintf(
 		    stderr,
 		    "Warning: Ignored command-line argument metadata (--metadata).\n");
+		unused = true;
 	}
+#if DEBUG
+	if (unused) {
+		exit(42);
+	}
+#else
+	(void)unused;
+#endif
 }
\ No newline at end of file
diff --git a/test/ecgen.sh b/test/ecgen.sh
index 86fe244..7aa146b 100755
--- a/test/ecgen.sh
+++ b/test/ecgen.sh
@@ -94,8 +94,8 @@ function brainpool() {
 
 function nums() {
     start_test
-    assert_raises "${ecgen} --fp -r --nums 10"
-    assert_raises "${ecgen} --f2m -r --nums 10" 1
+    assert_raises "${ecgen} --fp --nums 10"
+    assert_raises "${ecgen} --f2m --nums 10" 1
 }
 
 function anomalous() {