diff --git a/configure b/configure
index a7ac43fa07..3a1b4361b8 100755
--- a/configure
+++ b/configure
@@ -3403,15 +3403,6 @@ EOF
 test -n "$malloc_prefix" &&
     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
 
-if enabled small || disabled optimizations; then
-    echo "#undef  av_always_inline"  >> $TMPH
-    if enabled small; then
-        echo "#define av_always_inline inline"  >> $TMPH
-    else
-        echo "#define av_always_inline av_unused"  >> $TMPH
-    fi
-fi
-
 if enabled yasm; then
     append config_files $TMPASM
     printf '' >$TMPASM