diff --git a/libavutil/pca.c b/libavutil/pca.c
index 7be4404749..5d22f4d230 100644
--- a/libavutil/pca.c
+++ b/libavutil/pca.c
@@ -23,8 +23,7 @@
  * Principal component analysis
  */
 
-#include <math.h>
-#include "avcodec.h"
+#include "common.h"
 #include "pca.h"
 
 int ff_pca_init(PCA *pca, int n){