diff --git a/doc/doxygen/riot.doxyfile b/doc/doxygen/riot.doxyfile
index a08a40979..3d17cf6f3 100644
--- a/doc/doxygen/riot.doxyfile
+++ b/doc/doxygen/riot.doxyfile
@@ -823,6 +823,7 @@ EXCLUDE_PATTERNS       = */board/*/tools/* \
                          */cpu/*/include/atmel/* \
                          */cpu/sam3/include/sam3* \
                          */cpu/sam3/include/system_sam*.h \
+                         */cpu/samd21/include/samd21.h \
                          */cpu/lpc*/include/core_cm*.h \
                          */cpu/cortexm_common/include/core_cm*.h \
                          */cpu/stm32f*/include/stm32f* \