diff --git a/scripts/generate_ssl_server_defaults.cr b/scripts/generate_ssl_server_defaults.cr
index 7383faefd2b3..7e49e7795abd 100755
--- a/scripts/generate_ssl_server_defaults.cr
+++ b/scripts/generate_ssl_server_defaults.cr
@@ -56,6 +56,7 @@ File.open(DEFAULTS_FILE, "w") do |file|
       # available at #{guidelines.href}.
       #
       # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+      @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
       CIPHERS_#{level.upcase} = "#{all_ciphers.join(":")}"
 
       # The list of secure ciphersuites on **#{level}** compatibility level as per Mozilla
@@ -68,6 +69,7 @@ File.open(DEFAULTS_FILE, "w") do |file|
       # available at #{guidelines.href}.
       #
       # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+      @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
       CIPHER_SUITES_#{level.upcase} = "#{ciphersuites.join(":")}"
     CRYSTAL
   end
diff --git a/src/openssl/ssl/context.cr b/src/openssl/ssl/context.cr
index d49310b0ec5a..c7d5b5a0de2a 100644
--- a/src/openssl/ssl/context.cr
+++ b/src/openssl/ssl/context.cr
@@ -320,36 +320,30 @@ abstract class OpenSSL::SSL::Context
   end
 
   # Sets the current ciphers and ciphers suites to **modern** compatibility level as per Mozilla
-  # recommendations. See `CIPHERS_MODERN` and `CIPHER_SUITES_MODERN`. See `#security_level=` for some
-  # sensible system configuration.
+  # recommendations. See `#security_level=` for some sensible system configuration.
+  #
+  # WARNING: Does nothing as of Crystal 1.13.
+  # WARNING: Didn't work as expected as of OpenSSL 1.1 (didn't configure TLSv1.2 and below).
+  @[Deprecated("Deprecated with no replacement. Prefer #security_level, global system configuration or build your own from https://wiki.mozilla.org/Security/Server_Side_TLS")]
   def set_modern_ciphers
-    {% if LibSSL.has_method?(:ssl_ctx_set_ciphersuites) %}
-      self.cipher_suites = CIPHER_SUITES_MODERN
-    {% else %}
-      self.ciphers = CIPHERS_MODERN
-    {% end %}
   end
 
   # Sets the current ciphers and ciphers suites to **intermediate** compatibility level as per Mozilla
-  # recommendations. See `CIPHERS_INTERMEDIATE` and `CIPHER_SUITES_INTERMEDIATE`. See `#security_level=` for some
-  # sensible system configuration.
+  # recommendations. See `#security_level=` for some sensible system configuration.
+  #
+  # WARNING: Does nothing as of Crystal 1.13.
+  # WARNING: Didn't work as expected as of OpenSSL 1.1 (didn't configure TLSv1.2 and below).
+  @[Deprecated("Deprecated with no replacement. Prefer #security_level, global system configuration or build your own from https://wiki.mozilla.org/Security/Server_Side_TLS")]
   def set_intermediate_ciphers
-    {% if LibSSL.has_method?(:ssl_ctx_set_ciphersuites) %}
-      self.cipher_suites = CIPHER_SUITES_INTERMEDIATE
-    {% else %}
-      self.ciphers = CIPHERS_INTERMEDIATE
-    {% end %}
   end
 
   # Sets the current ciphers and ciphers suites to **old** compatibility level as per Mozilla
-  # recommendations. See `CIPHERS_OLD` and `CIPHER_SUITES_OLD`. See `#security_level=` for some
-  # sensible system configuration.
+  # recommendations. See `#security_level=` for some sensible system configuration.
+  #
+  # WARNING: Does nothing as of Crystal 1.13.
+  # WARNING: Didn't work as expected as of OpenSSL 1.1 (didn't configure TLSv1.2 and below).
+  @[Deprecated("Deprecated with no replacement. Prefer #security_level, global system configuration or build your own from https://wiki.mozilla.org/Security/Server_Side_TLS")]
   def set_old_ciphers
-    {% if LibSSL.has_method?(:ssl_ctx_set_ciphersuites) %}
-      self.cipher_suites = CIPHER_SUITES_OLD
-    {% else %}
-      self.ciphers = CIPHERS_OLD
-    {% end %}
   end
 
   # Returns the security level used by this TLS context.
diff --git a/src/openssl/ssl/defaults.cr b/src/openssl/ssl/defaults.cr
index 0803a1107f46..1a33eb8e1264 100644
--- a/src/openssl/ssl/defaults.cr
+++ b/src/openssl/ssl/defaults.cr
@@ -1,5 +1,5 @@
 # THIS FILE WAS AUTOMATICALLY GENERATED BY scripts/generate_ssl_server_defaults.cr
-# on 2023-07-21 10:32:46 UTC.
+# on 2024-06-07 09:20:33 UTC.
 
 abstract class OpenSSL::SSL::Context
   # The list of secure ciphers on **modern** compatibility level as per Mozilla
@@ -19,6 +19,7 @@ abstract class OpenSSL::SSL::Context
   # available at https://ssl-config.mozilla.org/guidelines/5.7.json.
   #
   # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+  @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
   CIPHERS_MODERN = "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS"
 
   # The list of secure ciphersuites on **modern** compatibility level as per Mozilla
@@ -38,6 +39,7 @@ abstract class OpenSSL::SSL::Context
   # available at https://ssl-config.mozilla.org/guidelines/5.7.json.
   #
   # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+  @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
   CIPHER_SUITES_MODERN = "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256"
 
   # The list of secure ciphers on **intermediate** compatibility level as per Mozilla
@@ -58,6 +60,7 @@ abstract class OpenSSL::SSL::Context
   # available at https://ssl-config.mozilla.org/guidelines/5.7.json.
   #
   # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+  @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
   CIPHERS_INTERMEDIATE = "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS"
 
   # The list of secure ciphersuites on **intermediate** compatibility level as per Mozilla
@@ -78,6 +81,7 @@ abstract class OpenSSL::SSL::Context
   # available at https://ssl-config.mozilla.org/guidelines/5.7.json.
   #
   # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+  @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
   CIPHER_SUITES_INTERMEDIATE = "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256"
 
   # The list of secure ciphers on **old** compatibility level as per Mozilla
@@ -98,6 +102,7 @@ abstract class OpenSSL::SSL::Context
   # available at https://ssl-config.mozilla.org/guidelines/5.7.json.
   #
   # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+  @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
   CIPHERS_OLD = "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS"
 
   # The list of secure ciphersuites on **old** compatibility level as per Mozilla
@@ -118,5 +123,6 @@ abstract class OpenSSL::SSL::Context
   # available at https://ssl-config.mozilla.org/guidelines/5.7.json.
   #
   # See https://wiki.mozilla.org/Security/Server_Side_TLS for details.
+  @[Deprecated("Deprecated with no replacement. Prefer setting a security level, global system configuration, or build your own from https://ssl-config.mozilla.org")]
   CIPHER_SUITES_OLD = "TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256"
 end