diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc
index 60595a3e3561869c0c77404717f2aad21ced43e0..2adebe0b6f29321b1a07883789bc8dc98f0ceb8c 100644
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -75,8 +75,6 @@ struct riscv_implied_info_t
 /* Implied ISA info, must end with NULL sentinel.  */
 static const riscv_implied_info_t riscv_implied_info[] =
 {
-  {"m", "zmmul"},
-
   {"d", "f"},
   {"f", "zicsr"},
   {"d", "zicsr"},