diff --git a/zsh-syntax-highlighting.zsh b/zsh-syntax-highlighting.zsh
index 1313d5c..35c0364 100644
--- a/zsh-syntax-highlighting.zsh
+++ b/zsh-syntax-highlighting.zsh
@@ -142,12 +142,6 @@ _zsh_highlight()
     # yank / paste (zsh-5.1.1 and newer)
     (( $+YANK_ACTIVE )) && (( YANK_ACTIVE )) && _zsh_highlight_apply_zle_highlight paste standout "$YANK_START" "$YANK_END"
 
-    # isearch
-    (( $+ISEARCH_ACTIVE )) && (( ISEARCH_ACTIVE )) && _zsh_highlight_apply_zle_highlight isearch underline "$ISEARCH_START" "$ISEARCH_END"
-
-    # suffix
-    (( $+SUFFIX_ACTIVE )) && (( SUFFIX_ACTIVE )) && _zsh_highlight_apply_zle_highlight suffix bold "$SUFFIX_START" "$SUFFIX_END"
-
 
     return $ret