diff --git a/rust.c b/rust.c
index 4e62b46..af36b97 100644
--- a/rust.c
+++ b/rust.c
@@ -42,7 +42,6 @@ enum {
     RUST_STYLE_REGEX      = QE_STYLE_STRING_Q,
     RUST_STYLE_STRING     = QE_STYLE_STRING,
     RUST_STYLE_STRING_Q   = QE_STYLE_STRING_Q,
-    RUST_STYLE_STRING_BQ  = QE_STYLE_STRING,
     RUST_STYLE_NUMBER     = QE_STYLE_NUMBER,
     RUST_STYLE_KEYWORD    = QE_STYLE_KEYWORD,
     RUST_STYLE_TYPE       = QE_STYLE_TYPE,