diff --git a/configure b/configure
index 8b9c3e2217..bc2b18875c 100755
--- a/configure
+++ b/configure
@@ -1695,7 +1695,6 @@ HEADERS_LIST="
     udplite_h
     unistd_h
     valgrind_valgrind_h
-    webp_mux_h
     windows_h
     winsock2_h
 "
@@ -1898,7 +1897,6 @@ CONFIG_EXTRA="
     intrax8
     jpegtables
     lgplv3
-    libwebp_anim
     llauddsp
     llviddsp
     lpc
diff --git a/libavcodec/libwebpenc_animencoder.c b/libavcodec/libwebpenc_animencoder.c
index 860973e7a3..40a694bde5 100644
--- a/libavcodec/libwebpenc_animencoder.c
+++ b/libavcodec/libwebpenc_animencoder.c
@@ -27,9 +27,7 @@
 #include "config.h"
 #include "libwebpenc_common.h"
 
-#if HAVE_WEBP_MUX_H
 #include <webp/mux.h>
-#endif
 
 typedef struct LibWebPAnimContext {
     LibWebPContextCommon cc;