diff --git a/cpu/sam3/doc.txt b/cpu/sam3/doc.txt
deleted file mode 100644
index af39ae1d77c17d25ca43674e517f328628e39a13..0000000000000000000000000000000000000000
--- a/cpu/sam3/doc.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-/**
- * @defgroup        cpu_sam3 Atmel SAM3X8E
- * @ingroup         cpu
- * @brief           Atmel SAM3X8E Cortex-M3 MCU specific code
- */
-
-/**
- * @defgroup        cpu_sam3x8e_definitions Atmel SAM3X8E Definitions
- * @ingroup         cpu_sam3x8e
- */
diff --git a/cpu/sam3/include/cpu_conf.h b/cpu/sam3/include/cpu_conf.h
index 16d9275a234dfc03fc819265ea58f94f6913b0fc..0debff6c0222a390d67f71453509e561d8edc700 100644
--- a/cpu/sam3/include/cpu_conf.h
+++ b/cpu/sam3/include/cpu_conf.h
@@ -7,7 +7,9 @@
  */
 
 /**
- * @ingroup         cpu_sam3
+ * @defgroup        cpu_sam3 Atmel SAM3X8E
+ * @ingroup         cpu
+ * @brief           Atmel SAM3X8E Cortex-M3 MCU specific code
  * @{
  *
  * @file
diff --git a/cpu/sam3/include/sam3x8e/component/doc.txt b/cpu/sam3/include/sam3x8e/component/doc.txt
deleted file mode 100644
index ba2bd5edf2d281e14c5b9d4a1f4b47ceee0d218c..0000000000000000000000000000000000000000
--- a/cpu/sam3/include/sam3x8e/component/doc.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-/**
- * @defgroup    cpu_sam3x8e_components SAM3XA Components
- * @brief       SAM3XA Components
- * @ingroup     cpu_sam3x8e
- */
diff --git a/doc/doxygen/riot.doxyfile b/doc/doxygen/riot.doxyfile
index f00789def5a1584518f3e8c606e48612ca1ecece..b6dd58290822542c89c37808bbd159396dbcbabc 100644
--- a/doc/doxygen/riot.doxyfile
+++ b/doc/doxygen/riot.doxyfile
@@ -816,7 +816,7 @@ EXCLUDE_PATTERNS       = */board/*/tools/* \
                          */cpu/*/include/instance/* \
                          */cpu/*/include/pio/* \
                          */cpu/*/include/atmel/* \
-                         */cpu/sam3/include/sam3*.h \
+                         */cpu/sam3/include/sam3* \
                          */cpu/sam3/include/system_sam*.h \
                          */cpu/lpc*/include/core_cm*.h \
                          */cpu/cortexm_common/include/core_cm*.h \