diff --git a/src/check_asm.cpp b/src/check_asm.cpp
index 84174ed3e..211233487 100644
--- a/src/check_asm.cpp
+++ b/src/check_asm.cpp
@@ -936,7 +936,6 @@ gb_internal void check_mnemonic(AsmCtx *asm_ctx, CheckerContext *ctx, Entity *tm
 		auto clobber = clobber_forms[valid_form_index];
 
 		asm_ctx->clobber_implicit_regs(&tmpl_entity->AsmTemplate.clobber_registers_set, clobber.implicit_wr);
-		asm_ctx->clobber_implicit_regs(&tmpl_entity->AsmTemplate.clobber_registers_set, clobber.implicit_rd);
 
 		tmpl_entity->AsmTemplate.clobber_flags  |= clobber.implies_clobber_flags();
 		tmpl_entity->AsmTemplate.clobber_memory |= clobber.implies_clobber_memory();