4 files changed, 7 insertions, 4 deletions
diff --git a/src/lib/asn1/alg_id.h b/src/lib/asn1/alg_id.h
index 2cd0b350a..0a1ed0c66 100644
--- a/src/lib/asn1/alg_id.h
+++ b/src/lib/asn1/alg_id.h
@@ -25,7 +25,7 @@ class BOTAN_DLL AlgorithmIdentifier final : public ASN1_Object
       void encode_into(class DER_Encoder&) const override;
       void decode_from(class BER_Decoder&) override;
 
-      AlgorithmIdentifier() {}
+      AlgorithmIdentifier() = default;
       AlgorithmIdentifier(const OID&, Encoding_Option);
       AlgorithmIdentifier(const std::string&, Encoding_Option);
 
diff --git a/src/lib/asn1/asn1_attribute.h b/src/lib/asn1/asn1_attribute.h
index e6bcc5209..24d4a4bf1 100644
--- a/src/lib/asn1/asn1_attribute.h
+++ b/src/lib/asn1/asn1_attribute.h
@@ -29,7 +29,7 @@ class BOTAN_DLL Attribute final : public ASN1_Object
       // public member variable:
       std::vector<uint8_t> parameters;
 
-      Attribute() {}
+      Attribute() = default;
       Attribute(const OID&, const std::vector<uint8_t>&);
       Attribute(const std::string&, const std::vector<uint8_t>&);
    };
diff --git a/src/lib/asn1/asn1_obj.h b/src/lib/asn1/asn1_obj.h
index 5e09da2fd..536f75ced 100644
--- a/src/lib/asn1/asn1_obj.h
+++ b/src/lib/asn1/asn1_obj.h
@@ -73,7 +73,10 @@ class BOTAN_DLL ASN1_Object
       */
       virtual void decode_from(BER_Decoder& from) = 0;
 
-      virtual ~ASN1_Object() {}
+      ASN1_Object() = default;
+      ASN1_Object(const ASN1_Object&) = default;
+      ASN1_Object & operator=(const ASN1_Object&) = default;
+      virtual ~ASN1_Object() = default;
    };
 
 /**
diff --git a/src/lib/asn1/asn1_time.h b/src/lib/asn1/asn1_time.h
index a2a526558..99047e475 100644
--- a/src/lib/asn1/asn1_time.h
+++ b/src/lib/asn1/asn1_time.h
@@ -38,7 +38,7 @@ class BOTAN_DLL X509_Time final : public ASN1_Object
       int32_t cmp(const X509_Time& other) const;
 
       /// Create an invalid X509_Time
-      X509_Time() {}
+      X509_Time() = default;
 
       /// Create a X509_Time from a time point
       explicit X509_Time(const std::chrono::system_clock::time_point& time);