diff --git a/Libraries/LibTLS/Certificate.cpp b/Libraries/LibTLS/Certificate.cpp
index aea4f4db94d..a3c82a93438 100644
--- a/Libraries/LibTLS/Certificate.cpp
+++ b/Libraries/LibTLS/Certificate.cpp
@@ -8,6 +8,7 @@
 #include "Certificate.h"
 #include <AK/Debug.h>
 #include <AK/IPv4Address.h>
+#include <LibCore/DateTime.h>
 #include <LibCrypto/ASN1/ASN1.h>
 #include <LibCrypto/ASN1/DER.h>
 #include <LibCrypto/ASN1/PEM.h>
@@ -907,4 +908,38 @@ ErrorOr<String> RelativeDistinguishedName::to_string() const
 
     return cert_name.to_string();
 }
+
+bool Certificate::is_valid() const
+{
+    auto now = UnixDateTime::now();
+
+    if (now < validity.not_before) {
+        dbgln("certificate expired (not yet valid, signed for {})", Core::DateTime::from_timestamp(validity.not_before.seconds_since_epoch()));
+        return false;
+    }
+
+    if (validity.not_after < now) {
+        dbgln("certificate expired (expiry date {})", Core::DateTime::from_timestamp(validity.not_after.seconds_since_epoch()));
+        return false;
+    }
+
+    return true;
+}
+
+// https://www.ietf.org/rfc/rfc5280.html#page-12
+bool Certificate::is_self_signed()
+{
+    if (m_is_self_signed.has_value())
+        return *m_is_self_signed;
+
+    // Self-signed certificates are self-issued certificates where the digital
+    // signature may be verified by the public key bound into the certificate.
+    if (!this->is_self_issued)
+        m_is_self_signed.emplace(false);
+
+    // FIXME: Actually check if we sign ourself
+
+    m_is_self_signed.emplace(true);
+    return *m_is_self_signed;
+}
 }
diff --git a/Libraries/LibTLS/TLSv12.cpp b/Libraries/LibTLS/TLSv12.cpp
index c49a3056ddb..97b3799d0fc 100644
--- a/Libraries/LibTLS/TLSv12.cpp
+++ b/Libraries/LibTLS/TLSv12.cpp
@@ -101,40 +101,6 @@ void TLSv12::consume(ReadonlyBytes record)
     }
 }
 
-bool Certificate::is_valid() const
-{
-    auto now = UnixDateTime::now();
-
-    if (now < validity.not_before) {
-        dbgln("certificate expired (not yet valid, signed for {})", Core::DateTime::from_timestamp(validity.not_before.seconds_since_epoch()));
-        return false;
-    }
-
-    if (validity.not_after < now) {
-        dbgln("certificate expired (expiry date {})", Core::DateTime::from_timestamp(validity.not_after.seconds_since_epoch()));
-        return false;
-    }
-
-    return true;
-}
-
-// https://www.ietf.org/rfc/rfc5280.html#page-12
-bool Certificate::is_self_signed()
-{
-    if (m_is_self_signed.has_value())
-        return *m_is_self_signed;
-
-    // Self-signed certificates are self-issued certificates where the digital
-    // signature may be verified by the public key bound into the certificate.
-    if (!this->is_self_issued)
-        m_is_self_signed.emplace(false);
-
-    // FIXME: Actually check if we sign ourself
-
-    m_is_self_signed.emplace(true);
-    return *m_is_self_signed;
-}
-
 void TLSv12::try_disambiguate_error() const
 {
     dbgln("Possible failure cause(s): ");