diff --git a/Shaders/osgText_Text.frag b/Shaders/osgText_Text.frag
deleted file mode 100644
index 1a6091ce0..000000000
--- a/Shaders/osgText_Text.frag
+++ /dev/null
@@ -1,254 +0,0 @@
-// -*-C++-*-
-#version 330
-#pragma vscode_glsllint_stage : frag
-
-#pragma import_defines( BACKDROP_COLOR, SHADOW, OUTLINE)
-#pragma import_defines( SIGNED_DISTANCE_FIELD, TEXTURE_DIMENSION, GLYPH_DIMENSION)
-
-#if __VERSION__ >= 400
-    #define osg_TextureQueryLOD textureQueryLod
-#else
-    #extension GL_ARB_texture_query_lod : enable
-    #ifdef GL_ARB_texture_query_lod
-        #define osg_TextureQueryLOD textureQueryLOD
-    #endif
-#endif
-
-#define TEXTURE texture
-#define TEXTURELOD textureLod
-
-#define ALPHA r
-#define SDF g
-
-uniform sampler2D glyphTexture;
-
-in vec2 texCoord;
-in vec4 vertexColor;
-
-out vec4 osg_FragColor;
-
-#ifndef TEXTURE_DIMENSION
-const float TEXTURE_DIMENSION = 1024.0;
-#endif
-
-#ifndef GLYPH_DIMENSION
-const float GLYPH_DIMENSION = 32.0;
-#endif
-
-#ifdef SIGNED_DISTANCE_FIELD
-
-float distanceFromEdge(vec2 tc)
-{
-    float center_alpha = TEXTURELOD(glyphTexture, tc, 0.0).SDF;
-    if (center_alpha == 0.0)
-        return -1.0;
-
-    float distance_scale = (1.0 / 6.0) * 1.41;
-
-    return (center_alpha - 0.5) * distance_scale;
-}
-
-#ifdef OUTLINE
-vec2 colorCoeff(float edge_distance, float blend_width, float blend_half_width)
-{
-    float outline_width = OUTLINE * 0.5;
-
-    if (edge_distance > blend_half_width)
-        return vec2(1.0, 0.0);
-    else if (edge_distance > -blend_half_width)
-    {
-        float f = smoothstep(0.0, 1.0, (blend_half_width - edge_distance) / (blend_width));
-        return vec2(1.0 - f, f);
-    }
-    else if (edge_distance > (blend_half_width - outline_width))
-        return vec2(0.0, 1.0);
-    else if (edge_distance > -(outline_width + blend_half_width))
-        return vec2(0.0, smoothstep(0.0, 1.0, (blend_half_width + outline_width + edge_distance) / blend_width));
-
-    return vec2(0.0, 0.0);
-}
-
-#else // OUTLINE
-
-float colorCoeff(float edge_distance, float blend_width, float blend_half_width)
-{
-    if (edge_distance > blend_half_width)
-        return 1.0;
-    else if (edge_distance > -blend_half_width)
-        return smoothstep(1.0, 0.0, (blend_half_width - edge_distance) / (blend_width));
-
-    return 0.0;
-}
-#endif // OUTLINE
-
-vec4 textColor(vec2 src_texCoord)
-{
-    float sample_distance_scale = 0.75;
-    vec2 dx = dFdx(src_texCoord) * sample_distance_scale;
-    vec2 dy = dFdy(src_texCoord) * sample_distance_scale;
-
-    float distance_across_pixel = length(dx + dy) * (TEXTURE_DIMENSION / GLYPH_DIMENSION);
-
-    // compute the appropriate number of samples required to avoid aliasing.
-    int maxNumSamplesAcrossSide = 4;
-
-    int numSamplesX = int(TEXTURE_DIMENSION * length(dx));
-    int numSamplesY = int(TEXTURE_DIMENSION * length(dy));
-    if (numSamplesX < 2)
-        numSamplesX = 2;
-    if (numSamplesY < 2)
-        numSamplesY = 2;
-    if (numSamplesX > maxNumSamplesAcrossSide)
-        numSamplesX = maxNumSamplesAcrossSide;
-    if (numSamplesY > maxNumSamplesAcrossSide)
-        numSamplesY = maxNumSamplesAcrossSide;
-
-    vec2 delta_tx = dx / float(numSamplesX - 1);
-    vec2 delta_ty = dy / float(numSamplesY - 1);
-
-    float numSamples = float(numSamplesX) * float(numSamplesY);
-    float blend_width = 1.5 * distance_across_pixel / numSamples;
-    float blend_half_width = blend_width * 0.5;
-
-    // check whether fragment is wholly within or outwith glyph body+outline
-    float cd = distanceFromEdge(src_texCoord); // central distance (distance from center to edge)
-    if (cd-blend_half_width > distance_across_pixel)
-        return vertexColor; // pixel fully within glyph body
-
-#ifdef OUTLINE
-    float outline_width = OUTLINE * 0.5;
-    if ((-cd-outline_width - blend_half_width) > distance_across_pixel)
-        return vec4(0.0, 0.0, 0.0, 0.0); // pixel fully outside outline+glyph body
-    vec2 color_coeff = vec2(0.0, 0.0);
-#else // OUTLINE
-    if (-cd-blend_half_width > distance_across_pixel)
-        return vec4(0.0, 0.0, 0.0, 0.0); // pixel fully outside glyph body
-    float color_coeff = 0.0;
-#endif // OUTLINE
-
-    // use multi-sampling to provide high quality antialised fragments
-    vec2 origin = src_texCoord - dx * 0.5 - dy * 0.5;
-    for(; numSamplesY > 0; --numSamplesY)
-    {
-        vec2 pos = origin;
-        int numX = numSamplesX;
-        for(; numX > 0; --numX)
-        {
-        #ifdef OUTLINE
-            color_coeff += colorCoeff(distanceFromEdge(pos), blend_width, blend_half_width);
-        #else
-            color_coeff += colorCoeff(distanceFromEdge(pos), blend_width, blend_half_width);
-        #endif
-            pos += delta_tx;
-        }
-        origin += delta_ty;
-    }
-
-    color_coeff /= numSamples;
-    
-#ifdef OUTLINE
-    float vertex_alpha = vertexColor.a * color_coeff.x;
-    float outline_alpha = BACKDROP_COLOR.a * color_coeff.y;
-    float total_alpha = vertex_alpha + outline_alpha;
-
-    if (total_alpha <= 0.0)
-        return vec4(0.0, 0.0, 0.0, 0.0);
-
-    return vec4(vertexColor.rgb * (vertex_alpha / total_alpha) + BACKDROP_COLOR.rgb * (outline_alpha / total_alpha), total_alpha);
-#else
-    return vec4(vertexColor.rgb, vertexColor.a * color_coeff);
-#endif
-}
-
-#else // SIGNED_DISTANCE_FIELD
-
-vec4 textColor(vec2 src_texCoord)
-{
-#ifdef OUTLINE
-    float alpha = TEXTURE(glyphTexture, src_texCoord).ALPHA;
-    float delta_tc = 1.6 * OUTLINE * GLYPH_DIMENSION / TEXTURE_DIMENSION;
-
-    float outline_alpha = alpha;
-    vec2 origin = src_texCoord - vec2(delta_tc * 0.5, delta_tc * 0.5);
-
-    float numSamples = 3.0;
-    delta_tc = delta_tc / (numSamples - 1.0);
-
-    float background_alpha = 1.0;
-
-    for(float i = 0.0; i < numSamples; ++i)
-    {
-        for(float j = 0.0; j < numSamples; ++j)
-        {
-            float local_alpha = TEXTURE(glyphTexture, origin + vec2(i * delta_tc, j * delta_tc)).ALPHA;
-            outline_alpha = max(outline_alpha, local_alpha);
-            background_alpha *= (1.0 - local_alpha);
-        }
-    }
-
-#ifdef osg_TextureQueryLOD
-    float mipmapLevel = osg_TextureQueryLOD(glyphTexture, src_texCoord).x;
-    if (mipmapLevel < 1.0)
-        outline_alpha = mix(1.0 - background_alpha, outline_alpha, mipmapLevel / 1.0);
-#endif
-
-    if (outline_alpha < alpha)
-        outline_alpha = alpha;
-    if (outline_alpha > 1.0)
-        outline_alpha = 1.0;
-    if (outline_alpha == 0.0)
-        return vec4(0.0, 0.0, 0.0, 0.0); // outside glyph and outline
-
-    vec4 color = mix(BACKDROP_COLOR, vertexColor, smoothstep(0.0, 1.0, alpha));
-    color.a = vertexColor.a * smoothstep(0.0, 1.0, outline_alpha);
-
-    return color;
-
-#else // OUTLINE
-    float alpha = TEXTURE(glyphTexture, src_texCoord).ALPHA;
-    if (alpha == 0.0)
-        return vec4(0.0, 0.0, 0.0, 0.0);
-
-    return vec4(vertexColor.rgb, vertexColor.a * alpha);
-#endif // OUTLINE
-}
-
-#endif // SIGNED_DISTANCE_FIELD
-
-void main(void)
-{
-    if (texCoord.x < 0.0 && texCoord.y < 0.0)
-    {
-        osg_FragColor = vertexColor;
-        return;
-    }
-
-#ifdef SHADOW
-    float scale = -1.0 * GLYPH_DIMENSION / TEXTURE_DIMENSION;
-    vec2 delta_tc = SHADOW * scale;
-    vec4 shadow_color = textColor(texCoord + delta_tc);
-
-    shadow_color.rgb = BACKDROP_COLOR.rgb;
-    vec4 glyph_color = textColor(texCoord);
-
-    // lower the alpha_power value the greater the staturation, no need to be so aggressive with SDF than GREYSCALE
-#if SIGNED_DISTANCE_FIELD
-    float alpha_power = 0.6;
-#else
-    float alpha_power = 0.5;
-#endif
-
-    // over saturate the alpha values to make sure the font and it's shadow are clear
-    shadow_color.a = pow(shadow_color.a, alpha_power);
-    glyph_color.a = pow(glyph_color.a, alpha_power);
-    vec4 color = mix(shadow_color, glyph_color, glyph_color.a);
-
-#else // SHADOW
-    vec4 color = textColor(texCoord);
-#endif // SHADOW
-
-    if (color.a == 0.0)
-        discard;
-
-    osg_FragColor = color;
-}
diff --git a/Shaders/osgText_Text.vert b/Shaders/osgText_Text.vert
deleted file mode 100644
index d69a9c72d..000000000
--- a/Shaders/osgText_Text.vert
+++ /dev/null
@@ -1,13 +0,0 @@
-// -*-C++-*-
-#version 330
-#pragma vscode_glsllint_stage : vert
-
-out vec2 texCoord;
-out vec4 vertexColor;
-
-void main(void)
-{
-    gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
-    texCoord = gl_MultiTexCoord0.xy;
-    vertexColor = gl_Color;
-}