diff --git a/risc_v/Cargo.toml b/risc_v/Cargo.toml
index 5c54ba0..c5ef792 100644
--- a/risc_v/Cargo.toml
+++ b/risc_v/Cargo.toml
@@ -6,5 +6,12 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[profile.dev]
+opt-level = 0
+lto = false
+
+[profile.release]
+opt-level = 3
+lto = true
 
 [dependencies]
diff --git a/risc_v/src/lds/virt.lds b/risc_v/src/lds/virt.lds
index ac728aa..4a1e7c5 100644
--- a/risc_v/src/lds/virt.lds
+++ b/risc_v/src/lds/virt.lds
@@ -201,7 +201,6 @@ SECTIONS
 	*/
     *(.sdata .sdata.*) *(.data .data.*)
     PROVIDE(_data_end = .);
-	*(.eh_frame)
   } >ram AT>ram :data
 
   .bss : {