diff --git a/crypto/drbg.c b/crypto/drbg.c
index 9ac034bb23fa..3addce90930c 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -139,12 +139,6 @@ static const struct drbg_core drbg_cores[] = {
 #endif /* CONFIG_CRYPTO_DRBG_CTR */
 #ifdef CONFIG_CRYPTO_DRBG_HASH
 	{
-		.flags = DRBG_HASH | DRBG_STRENGTH128,
-		.statelen = 55, /* 440 bits */
-		.blocklen_bytes = 20,
-		.cra_name = "sha1",
-		.backend_cra_name = "sha1",
-	}, {
 		.flags = DRBG_HASH | DRBG_STRENGTH256,
 		.statelen = 111, /* 888 bits */
 		.blocklen_bytes = 48,
@@ -166,12 +160,6 @@ static const struct drbg_core drbg_cores[] = {
 #endif /* CONFIG_CRYPTO_DRBG_HASH */
 #ifdef CONFIG_CRYPTO_DRBG_HMAC
 	{
-		.flags = DRBG_HMAC | DRBG_STRENGTH128,
-		.statelen = 20, /* block length of cipher */
-		.blocklen_bytes = 20,
-		.cra_name = "hmac_sha1",
-		.backend_cra_name = "hmac(sha1)",
-	}, {
 		.flags = DRBG_HMAC | DRBG_STRENGTH256,
 		.statelen = 48, /* block length of cipher */
 		.blocklen_bytes = 48,
@@ -648,8 +636,6 @@ MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha384");
 MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha384");
 MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha256");
 MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha256");
-MODULE_ALIAS_CRYPTO("drbg_pr_hmac_sha1");
-MODULE_ALIAS_CRYPTO("drbg_nopr_hmac_sha1");
 
 /* update function of HMAC DRBG as defined in 10.1.2.2 */
 static int drbg_hmac_update(struct drbg_state *drbg, struct list_head *seed,
@@ -768,8 +754,6 @@ MODULE_ALIAS_CRYPTO("drbg_pr_sha384");
 MODULE_ALIAS_CRYPTO("drbg_nopr_sha384");
 MODULE_ALIAS_CRYPTO("drbg_pr_sha256");
 MODULE_ALIAS_CRYPTO("drbg_nopr_sha256");
-MODULE_ALIAS_CRYPTO("drbg_pr_sha1");
-MODULE_ALIAS_CRYPTO("drbg_nopr_sha1");
 
 /*
  * Increment buffer
diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 15c7a3011269..59f0540d442e 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -4845,14 +4845,6 @@ static const struct alg_test_desc alg_test_descs[] = {
 		.suite = {
 			.drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
 		}
-	}, {
-		/*
-		 * There is no need to specifically test the DRBG with every
-		 * backend cipher -- covered by drbg_nopr_hmac_sha256 test
-		 */
-		.alg = "drbg_nopr_hmac_sha1",
-		.fips_allowed = 1,
-		.test = alg_test_null,
 	}, {
 		.alg = "drbg_nopr_hmac_sha256",
 		.test = alg_test_drbg,
@@ -4861,7 +4853,10 @@ static const struct alg_test_desc alg_test_descs[] = {
 			.drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
 		}
 	}, {
-		/* covered by drbg_nopr_hmac_sha256 test */
+		/*
+		 * There is no need to specifically test the DRBG with every
+		 * backend cipher -- covered by drbg_nopr_hmac_sha512 test
+		 */
 		.alg = "drbg_nopr_hmac_sha384",
 		.test = alg_test_null,
 	}, {
@@ -4871,10 +4866,6 @@ static const struct alg_test_desc alg_test_descs[] = {
 		.suite = {
 			.drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
 		}
-	}, {
-		.alg = "drbg_nopr_sha1",
-		.fips_allowed = 1,
-		.test = alg_test_null,
 	}, {
 		.alg = "drbg_nopr_sha256",
 		.test = alg_test_drbg,
@@ -4906,10 +4897,6 @@ static const struct alg_test_desc alg_test_descs[] = {
 		.alg = "drbg_pr_ctr_aes256",
 		.fips_allowed = 1,
 		.test = alg_test_null,
-	}, {
-		.alg = "drbg_pr_hmac_sha1",
-		.fips_allowed = 1,
-		.test = alg_test_null,
 	}, {
 		.alg = "drbg_pr_hmac_sha256",
 		.test = alg_test_drbg,
@@ -4925,10 +4912,6 @@ static const struct alg_test_desc alg_test_descs[] = {
 		.alg = "drbg_pr_hmac_sha512",
 		.test = alg_test_null,
 		.fips_allowed = 1,
-	}, {
-		.alg = "drbg_pr_sha1",
-		.fips_allowed = 1,
-		.test = alg_test_null,
 	}, {
 		.alg = "drbg_pr_sha256",
 		.test = alg_test_drbg,