diff --git a/test/fp_generator_test.cpp b/test/fp_generator_test.cpp
index 39cfa27..960d295 100644
--- a/test/fp_generator_test.cpp
+++ b/test/fp_generator_test.cpp
@@ -15,10 +15,14 @@ typedef mcl::FpT<> Fp;
 const int MAX_N = 4;
 
 const char *primeTable[] = {
+#if 0
 	"0x7fffffffffffffffffffffffffffffff", // 127bit(not full)
 	"0xffffffffffffffffffffffffffffff61", // 128bit(full)
+#endif
+	"0x7fffffffffffffffffffffffffffffffffffffffffffffed", // 191bit(not full)
 	"0xfffffffffffffffffffffffffffffffffffffffeffffee37", // 192bit(full)
 	"0x2523648240000001ba344d80000000086121000000000013a700000000000013", // 254bit(not full)
+	"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff43", // 256bit(full)
 };
 
 void strToArray(uint64_t *p, size_t n, const char *pStr)
diff --git a/test/fp_test.cpp b/test/fp_test.cpp
index 878bdb9..41ce7a0 100644
--- a/test/fp_test.cpp
+++ b/test/fp_test.cpp
@@ -426,6 +426,7 @@ void powTest()
 	CYBOZU_TEST_EQUAL(z, 1);
 	Fp::pow(z, x, Fp::getOp().mp);
 	CYBOZU_TEST_EQUAL(z, x);
+#if 0
 	typedef mcl::FpT<tag2, 128> Fp_other;
 	Fp_other::init("1009");
 	x = 5;
@@ -436,6 +437,7 @@ void powTest()
 	x = 5;
 	Fp::pow(x, x, n);
 	CYBOZU_TEST_EQUAL(x, 125);
+#endif
 }
 
 void mulUnitTest()
@@ -487,6 +489,7 @@ void powGmp()
 
 struct TagAnother;
 
+#if 0
 void anotherFpTest(mcl::fp::Mode mode)
 {
 	typedef mcl::FpT<TagAnother, 128> G;
@@ -496,6 +499,7 @@ void anotherFpTest(mcl::fp::Mode mode)
 	a *= b;
 	CYBOZU_TEST_EQUAL(a, 1);
 }
+#endif
 
 void setArrayTest1()
 {
@@ -508,6 +512,7 @@ void setArrayTest1()
 	CYBOZU_TEST_EQUAL(x, Fp("0x3400000012"));
 }
 
+#if 0
 void setArrayTest2(mcl::fp::Mode mode)
 {
 	Fp::init("0x10000000000001234567a5", mode);
@@ -529,6 +534,7 @@ void setArrayTest2(mcl::fp::Mode mode)
 	uint32_t large[3] = { 0x234567a5, 0x00000001, 0x00100000};
 	CYBOZU_TEST_EXCEPTION(x.setArray(large, 3), cybozu::Exception);
 }
+#endif
 
 void setArrayMaskTest1()
 {
@@ -541,6 +547,7 @@ void setArrayMaskTest1()
 	CYBOZU_TEST_EQUAL(x, Fp("0x3400000012"));
 }
 
+#if 0
 void setArrayMaskTest2(mcl::fp::Mode mode)
 {
 	Fp::init("0x10000000000001234567a5", mode);
@@ -560,6 +567,7 @@ void setArrayMaskTest2(mcl::fp::Mode mode)
 		CYBOZU_TEST_EQUAL(x, Fp(tbl[i].expected));
 	}
 }
+#endif
 
 void setArrayModTest()
 {
@@ -602,13 +610,13 @@ void setArrayModTest()
 
 CYBOZU_TEST_AUTO(set64bit)
 {
-	Fp::init("0x1000000000000000000f");
+	Fp::init("3138550867693340381917894711603833208051177722232017256453");
 	const struct {
 		const char *p;
 		int64_t i;
 	} tbl[] = {
 		{ "0x1234567812345678", int64_t(0x1234567812345678ull) },
-		{ "0xfffedcba987edcba997", -int64_t(0x1234567812345678ull) },
+		{ "-5", -5 },
 	};
 	for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
 		Fp x(tbl[i].p);
@@ -935,17 +943,7 @@ void sub(mcl::fp::Mode mode)
 {
 	printf("mode=%s\n", mcl::fp::ModeToStr(mode));
 	const char *tbl[] = {
-		// N = 2
-		"0x0000000000000001000000000000000d",
-		"0x7fffffffffffffffffffffffffffffff",
-		"0x8000000000000000000000000000001d",
-		"0xffffffffffffffffffffffffffffff61",
-
 		// N = 3
-		"0x000000000000000100000000000000000000000000000033", // min prime
-		"0x00000000fffffffffffffffffffffffffffffffeffffac73",
-		"0x0000000100000000000000000001b8fa16dfab9aca16b6b3",
-		"0x000000010000000000000000000000000000000000000007",
 		"0x30000000000000000000000000000000000000000000002b",
 		"0x70000000000000000000000000000000000000000000001f",
 		"0x800000000000000000000000000000000000000000000005",
@@ -1001,9 +999,9 @@ void sub(mcl::fp::Mode mode)
 		serializeTest();
 		modpTest();
 	}
-	anotherFpTest(mode);
-	setArrayTest2(mode);
-	setArrayMaskTest2(mode);
+//	anotherFpTest(mode);
+//	setArrayTest2(mode);
+//	setArrayMaskTest2(mode);
 }
 
 std::string g_mode;
diff --git a/test/fp_tower_test.cpp b/test/fp_tower_test.cpp
index d9ca03b..39ed4f1 100644
--- a/test/fp_tower_test.cpp
+++ b/test/fp_tower_test.cpp
@@ -430,17 +430,7 @@ void test(const char *p, mcl::fp::Mode mode)
 void testAll()
 {
 	const char *tbl[] = {
-		// N = 2
-		"0x0000000000000001000000000000000d",
-		"0x7fffffffffffffffffffffffffffffff",
-		"0x8000000000000000000000000000001d",
-		"0xffffffffffffffffffffffffffffff61",
-
 		// N = 3
-		"0x000000000000000100000000000000000000000000000033", // min prime
-		"0x00000000fffffffffffffffffffffffffffffffeffffac73",
-		"0x0000000100000000000000000001b8fa16dfab9aca16b6b3",
-		"0x000000010000000000000000000000000000000000000007",
 		"0x30000000000000000000000000000000000000000000002b",
 		"0x70000000000000000000000000000000000000000000001f",
 		"0x800000000000000000000000000000000000000000000005",
diff --git a/test/glv_test.cpp b/test/glv_test.cpp
index 59bdcdd..8c9fea0 100644
--- a/test/glv_test.cpp
+++ b/test/glv_test.cpp
@@ -153,10 +153,13 @@ void testGLV1()
 		GLV1::mul(P2, P0, ss, true);
 		CYBOZU_TEST_EQUAL(P1, P2);
 	}
+#ifndef NDEBUG
+	puts("skip testGLV1 in debug");
 	Fr s;
 	mapToG1(P0, 123);
 	CYBOZU_BENCH_C("Ec::mul", 100, P1 = P0; s.setRand(rg); G1::mulGeneric, P2, P1, s.getMpz());
 	CYBOZU_BENCH_C("Ec::glv", 100, P1 = P0; s.setRand(rg); GLV1::mul, P2, P1, s.getMpz());
+#endif
 }
 
 /*
@@ -188,10 +191,13 @@ void testGLV2()
 		GLV2::mul(Q2, Q0, n);
 		CYBOZU_TEST_EQUAL(Q1, Q2);
 	}
+#ifndef NDEBUG
+	puts("skip testGLV2 in debug");
 	Fr s;
 	mapToG2(Q0, 123);
 	CYBOZU_BENCH_C("G2::mul", 1000, Q2 = Q0; s.setRand(rg); G2::mulGeneric, Q2, Q1, s.getMpz());
 	CYBOZU_BENCH_C("G2::glv", 1000, Q1 = Q0; s.setRand(rg); GLV2::mul, Q2, Q1, s.getMpz());
+#endif
 }
 
 void testGT()
diff --git a/test/mont_fp_test.cpp b/test/mont_fp_test.cpp
index e41e77a..32b79fa 100644
--- a/test/mont_fp_test.cpp
+++ b/test/mont_fp_test.cpp
@@ -244,17 +244,7 @@ CYBOZU_TEST_AUTO(test)
 	Test test;
 	const char *tbl[] = {
 #if 1
-		// N = 2
-		"0x0000000000000001000000000000000d",
-		"0x7fffffffffffffffffffffffffffffff",
-		"0x8000000000000000000000000000001d",
-		"0xffffffffffffffffffffffffffffff61",
-
 		// N = 3
-		"0x000000000000000100000000000000000000000000000033", // min prime
-		"0x00000000fffffffffffffffffffffffffffffffeffffac73",
-		"0x0000000100000000000000000001b8fa16dfab9aca16b6b3",
-		"0x000000010000000000000000000000000000000000000007",
 		"0x30000000000000000000000000000000000000000000002b",
 		"0x70000000000000000000000000000000000000000000001f",
 		"0x800000000000000000000000000000000000000000000005",