diff --git a/inc/A_extension.h b/inc/A_extension.h
index 39fcb64..6fab905 100644
--- a/inc/A_extension.h
+++ b/inc/A_extension.h
@@ -67,17 +67,6 @@ public:
 		return m_instr.range(31, 27);
 	}
 
-	/**
-	 * @brief Access to rd field
-	 * @return rd field
-	 */
-	inline int32_t get_rd() const override {
-		return m_instr.range(11, 7);
-	}
-
-	inline void set_rd(int32_t value) override {
-		m_instr.range(11, 7) = value;
-	}
 
 	/**
 	 * @brief Access to rs1 field
diff --git a/inc/BASE_ISA.h b/inc/BASE_ISA.h
index 94b211e..06527ad 100644
--- a/inc/BASE_ISA.h
+++ b/inc/BASE_ISA.h
@@ -100,22 +100,6 @@ public:
 	 */
 	using extension_base::extension_base;
 
-	/**
-	 * @brief Access to rd field
-	 * @return rd field
-	 */
-	inline int32_t get_rd() const override {
-		return m_instr.range(11, 7);
-	}
-
-	/**
-	 * @brief Sets rd field
-	 * @param value desired rd value
-	 */
-	inline void set_rd(int32_t value) override {
-		m_instr.range(11, 7) = value;
-	}
-
 	/**
 	 * @brief Access to rs1 field
 	 * @return rs1 field
diff --git a/inc/C_extension.h b/inc/C_extension.h
index 6bb634c..48e9804 100644
--- a/inc/C_extension.h
+++ b/inc/C_extension.h
@@ -109,18 +109,6 @@ public:
 		return m_instr.range(1, 0);
 	}
 
-	/**
-	 * @brief Access to rd field
-	 * @return rd field
-	 */
-	inline int32_t get_rd () const override {
-		return m_instr.range(11, 7);
-	}
-
-	inline void set_rd(int32_t value) override {
-		m_instr.range(11, 7) = value;
-	}
-
 	inline int32_t get_rdp() const {
 		return m_instr.range(4, 2) + 8;
 	}
diff --git a/inc/M_extension.h b/inc/M_extension.h
index cb4aa1a..d030c94 100644
--- a/inc/M_extension.h
+++ b/inc/M_extension.h
@@ -81,18 +81,6 @@ private:
 		return m_instr.range(14, 12);
 	}
 
-	/**
-	 * @brief Access to rd field
-	 * @return rd field
-	 */
-	inline int32_t get_rd() const {
-		return m_instr.range(11, 7);
-	}
-
-	inline void set_rd(int32_t value) {
-		m_instr.range(11, 7) = value;
-	}
-
 	/**
 	 * @brief Access to rs1 field
 	 * @return rs1 field
diff --git a/inc/extension_base.h b/inc/extension_base.h
index 601749a..2a9a085 100644
--- a/inc/extension_base.h
+++ b/inc/extension_base.h
@@ -36,8 +36,12 @@ public:
 
 	/* pure virtual functions */
 	virtual int32_t opcode() const = 0;
-	virtual int32_t get_rd() const = 0;
-	virtual void set_rd(int32_t value) = 0;
+	virtual int32_t get_rd() const {
+	    return m_instr.range(11, 7);
+	}
+	virtual void set_rd(int32_t value) {
+    m_instr.range(11, 7) = value;
+	}
 	virtual int32_t get_rs1() const = 0;
 	virtual void set_rs1(int32_t value) = 0;
 	virtual int32_t get_rs2() const = 0;