diff --git a/keyboard/planck/Makefile b/keyboard/planck/Makefile
index 81c9be1e4..cd67c711b 100644
--- a/keyboard/planck/Makefile
+++ b/keyboard/planck/Makefile
@@ -69,12 +69,6 @@ else
     SRC := common_keymaps/keymap_jack.c $(SRC)
 endif
 
-ifdef MATRIX
-    SRC := matrix_$(MATRIX).c $(SRC)
-else
-    SRC := matrix_pcb.c $(SRC)
-endif
-
 else
 
 SRC = extended_keymap_common.c \
@@ -89,12 +83,6 @@ else
     SRC := extended_keymaps/extended_keymap_default.c $(SRC)
 endif
 
-ifdef MATRIX
-    SRC := matrix_$(MATRIX).c $(SRC)
-else
-    SRC := matrix_pcb.c $(SRC)
-endif
-
 endif
 
 CONFIG_H = config.h