diff --git a/docs/shading.html b/docs/shading.html
index a28c5b33b04..cd01af00d90 100644
--- a/docs/shading.html
+++ b/docs/shading.html
@@ -50,7 +50,6 @@ execution.  These are generally used for debugging.
     The filenames will be "shader_X.vert" or "shader_X.frag" where X
     the shader ID.
 <li><b>cache_info</b> - print debug information about shader cache
-<li><b>nopt</b> - disable compiler optimizations
 <li><b>opt</b> - force compiler optimizations
 <li><b>uniform</b> - print message to stdout when glUniform is called
 <li><b>nopvert</b> - force vertex shaders to be a simple shader that just transforms
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 91e1948c232..84a75c53cd0 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2883,14 +2883,13 @@ struct gl_shader_program
 #define GLSL_DUMP      0x1  /**< Dump shaders to stdout */
 #define GLSL_LOG       0x2  /**< Write shaders to files */
 #define GLSL_OPT       0x4  /**< Force optimizations (override pragmas) */
-#define GLSL_NO_OPT    0x8  /**< Force no optimizations (override pragmas) */
-#define GLSL_UNIFORMS 0x10  /**< Print glUniform calls */
-#define GLSL_NOP_VERT 0x20  /**< Force no-op vertex shaders */
-#define GLSL_NOP_FRAG 0x40  /**< Force no-op fragment shaders */
-#define GLSL_USE_PROG 0x80  /**< Log glUseProgram calls */
-#define GLSL_REPORT_ERRORS 0x100  /**< Print compilation errors */
-#define GLSL_DUMP_ON_ERROR 0x200 /**< Dump shaders to stderr on compile error */
-#define GLSL_CACHE_INFO 0x400 /**< Print debug information about shader cache */
+#define GLSL_UNIFORMS  0x8  /**< Print glUniform calls */
+#define GLSL_NOP_VERT 0x10  /**< Force no-op vertex shaders */
+#define GLSL_NOP_FRAG 0x20  /**< Force no-op fragment shaders */
+#define GLSL_USE_PROG 0x40  /**< Log glUseProgram calls */
+#define GLSL_REPORT_ERRORS 0x80  /**< Print compilation errors */
+#define GLSL_DUMP_ON_ERROR 0x100 /**< Dump shaders to stderr on compile error */
+#define GLSL_CACHE_INFO 0x200 /**< Print debug information about shader cache */
 
 
 /**
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index ba69ede0e84..3d77448f9a5 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -83,8 +83,6 @@ _mesa_get_shader_flags(void)
          flags |= GLSL_NOP_VERT;
       if (strstr(env, "nopfrag"))
          flags |= GLSL_NOP_FRAG;
-      if (strstr(env, "nopt"))
-         flags |= GLSL_NO_OPT;
       else if (strstr(env, "opt"))
          flags |= GLSL_OPT;
       if (strstr(env, "uniform"))
diff --git a/src/mesa/program/arbprogparse.c b/src/mesa/program/arbprogparse.c
index 9b843f628c1..07bdf1603ef 100644
--- a/src/mesa/program/arbprogparse.c
+++ b/src/mesa/program/arbprogparse.c
@@ -180,8 +180,7 @@ _mesa_parse_arb_vertex_program(struct gl_context *ctx, GLenum target,
       return;
    }
 
-   if ((ctx->_Shader->Flags & GLSL_NO_OPT) == 0)
-      _mesa_optimize_program(ctx, &prog, program);
+   _mesa_optimize_program(ctx, &prog, program);
 
    ralloc_free(program->String);
 
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 3898cb8d09a..a2476ddbf58 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -2979,9 +2979,7 @@ get_mesa_program(struct gl_context *ctx,
       prog->info.fs.depth_layout = shader_program->FragDepthLayout;
    }
 
-   if ((ctx->_Shader->Flags & GLSL_NO_OPT) == 0) {
-      _mesa_optimize_program(ctx, prog, prog);
-   }
+   _mesa_optimize_program(ctx, prog, prog);
 
    /* This has to be done last.  Any operation that can cause
     * prog->ParameterValues to get reallocated (e.g., anything that adds a