diff --git a/src/compiler/glsl/opt_algebraic.cpp b/src/compiler/glsl/opt_algebraic.cpp
index 7b7e05995c8..6ca988331fa 100644
--- a/src/compiler/glsl/opt_algebraic.cpp
+++ b/src/compiler/glsl/opt_algebraic.cpp
@@ -494,52 +494,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
 
       break;
 
-   case ir_triop_fma:
-      /* Operands are op0 * op1 + op2. */
-      if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1])) {
-         return ir->operands[2];
-      } else if (is_vec_zero(op_const[2])) {
-         return mul(ir->operands[0], ir->operands[1]);
-      } else if (is_vec_one(op_const[0])) {
-         return add(ir->operands[1], ir->operands[2]);
-      } else if (is_vec_one(op_const[1])) {
-         return add(ir->operands[0], ir->operands[2]);
-      }
-      break;
-
-   case ir_triop_lrp:
-      /* Operands are (x, y, a). */
-      if (is_vec_zero(op_const[2])) {
-         return ir->operands[0];
-      } else if (is_vec_one(op_const[2])) {
-         return ir->operands[1];
-      } else if (ir->operands[0]->equals(ir->operands[1])) {
-         return ir->operands[0];
-      } else if (is_vec_zero(op_const[0])) {
-         return mul(ir->operands[1], ir->operands[2]);
-      } else if (is_vec_zero(op_const[1])) {
-         unsigned op2_components = ir->operands[2]->type->vector_elements;
-         ir_constant *one;
-
-         switch (ir->type->base_type) {
-         case GLSL_TYPE_FLOAT16:
-            one = new(mem_ctx) ir_constant(float16_t::one(), op2_components);
-            break;
-         case GLSL_TYPE_FLOAT:
-            one = new(mem_ctx) ir_constant(1.0f, op2_components);
-            break;
-         case GLSL_TYPE_DOUBLE:
-            one = new(mem_ctx) ir_constant(1.0, op2_components);
-            break;
-         default:
-            one = NULL;
-            unreachable("unexpected type");
-         }
-
-         return mul(ir->operands[0], add(one, neg(ir->operands[2])));
-      }
-      break;
-
    /* Remove interpolateAt* instructions for demoted inputs. They are
     * assigned a constant expression to facilitate this.
     */