diff --git a/boards/native/Makefile.include b/boards/native/Makefile.include
index 9a148f3824..ead6af8bdc 100644
--- a/boards/native/Makefile.include
+++ b/boards/native/Makefile.include
@@ -137,9 +137,6 @@ endif
 
 all: # do not override first target
 
-all-debug: all
-	@$(COLOR_ECHO) '$(COLOR_RED)`all-debug` is deprecated, just use `all`$(COLOR_RESET)'
-
 all-gprof: all
 
 all-asan: all
diff --git a/boards/native/doc.txt b/boards/native/doc.txt
index 902f0d6dab..a5c63e4aeb 100644
--- a/boards/native/doc.txt
+++ b/boards/native/doc.txt
@@ -31,11 +31,4 @@ On Debian/Ubuntu you can install the required libraries with
 sudo apt install gcc-multilib
 ```
 
-# Building native with debug flags
-@deprecated `make all-debug` is deprecated; `make all` now builds with debugs
-            flags by default. The target will be removed after the 2020.10
-            release.
-
-To build with debug flags for `native` use `make all-debug` instead of
-`make all`
  */
diff --git a/dist/tools/ci/build_and_test.sh b/dist/tools/ci/build_and_test.sh
index 67c9982f1f..7305863687 100755
--- a/dist/tools/ci/build_and_test.sh
+++ b/dist/tools/ci/build_and_test.sh
@@ -50,7 +50,7 @@ then
 
     if [ "$BUILDTEST_MCU_GROUP" == "x86" ]
     then
-        make -C ./tests/unittests all-debug test BOARD=native TERMPROG='gdb -batch -ex r -ex bt $(ELF)' || exit
+        make -C ./tests/unittests all test BOARD=native TERMPROG='gdb -batch -ex r -ex bt $(ELF)' || exit
         set_result $?
     fi