diff --git a/src/mesa/program/prog_instruction.c b/src/mesa/program/prog_instruction.c
index eb95b911d57..3ca96fbd735 100644
--- a/src/mesa/program/prog_instruction.c
+++ b/src/mesa/program/prog_instruction.c
@@ -60,22 +60,6 @@ _mesa_init_instructions(struct prog_instruction *inst, GLuint count)
 }
 
 
-/**
- * Copy an array of program instructions.
- * \param dest  pointer to destination.
- * \param src  pointer to source.
- * \param n  number of instructions to copy.
- * \return pointer to destination.
- */
-struct prog_instruction *
-_mesa_copy_instructions(struct prog_instruction *dest,
-                        const struct prog_instruction *src, GLuint n)
-{
-   memcpy(dest, src, n * sizeof(struct prog_instruction));
-   return dest;
-}
-
-
 /**
  * Basic info about each instruction
  */
diff --git a/src/mesa/program/prog_instruction.h b/src/mesa/program/prog_instruction.h
index 2f40b824b07..7e345ec65e8 100644
--- a/src/mesa/program/prog_instruction.h
+++ b/src/mesa/program/prog_instruction.h
@@ -266,10 +266,6 @@ struct gl_program;
 extern void
 _mesa_init_instructions(struct prog_instruction *inst, GLuint count);
 
-extern struct prog_instruction *
-_mesa_copy_instructions(struct prog_instruction *dest,
-                        const struct prog_instruction *src, GLuint n);
-
 extern GLuint
 _mesa_num_inst_src_regs(enum prog_opcode opcode);