diff --git a/doc.go b/doc.go
index aebd8ad2f..efdfd886f 100644
--- a/doc.go
+++ b/doc.go
@@ -93,11 +93,6 @@
 // The option "featurelevel" is valid only for DirectX 12.
 // The possible values are "11_0", "11_1", "12_0", "12_1", and "12_2". The default value is "11_0".
 //
-// `EBITENGINE_OPENGL` environment variable specifies various parameters for OpenGL.
-// You can specify multiple values separated by a comma. The default value is empty (i.e. no parameters).
-//
-//	"es": Use OpenGL ES. Without this, OpenGL and OpenGL ES are automatically chosen.
-//
 // # Build tags
 //
 // `ebitenginedebug` outputs a log of graphics commands. This is useful to know what happens in Ebitengine. In general, the
diff --git a/internal/graphicsdriver/opengl/gl/procaddr_linbsd.go b/internal/graphicsdriver/opengl/gl/procaddr_linbsd.go
index c41c18ef8..e7e869ff5 100644
--- a/internal/graphicsdriver/opengl/gl/procaddr_linbsd.go
+++ b/internal/graphicsdriver/opengl/gl/procaddr_linbsd.go
@@ -18,8 +18,6 @@ package gl
 
 import (
 	"fmt"
-	"os"
-	"runtime"
 	"strings"
 
 	"github.com/ebitengine/purego"
@@ -31,40 +29,10 @@ var (
 )
 
 func (c *defaultContext) init() error {
-	var preferES bool
-	if runtime.GOOS == "android" {
-		preferES = true
-	}
-	if !preferES {
-		for _, t := range strings.Split(os.Getenv("EBITENGINE_OPENGL"), ",") {
-			switch strings.TrimSpace(t) {
-			case "es":
-				preferES = true
-				break
-			}
-		}
-	}
-
 	// TODO: Use multiple %w-s as of Go 1.20.
 	var errors []string
 
-	// Try OpenGL first. OpenGL is preferable as this doesn't cause context losses.
-	if !preferES {
-		// Usually libGL.so or libGL.so.1 is used. libGL.so.2 might exist only on NetBSD.
-		// TODO: Should "libOpenGL.so.0" [1] and "libGLX.so.0" [2] be added? These were added as of GLFW 3.3.9.
-		// [1] https://github.com/glfw/glfw/commit/55aad3c37b67f17279378db52da0a3ab81bbf26d
-		// [2] https://github.com/glfw/glfw/commit/c18851f52ec9704eb06464058a600845ec1eada1
-		for _, name := range []string{"libGL.so", "libGL.so.2", "libGL.so.1", "libGL.so.0"} {
-			lib, err := purego.Dlopen(name, purego.RTLD_LAZY|purego.RTLD_GLOBAL)
-			if err == nil {
-				libGL = lib
-				return nil
-			}
-			errors = append(errors, fmt.Sprintf("%s: %v", name, err))
-		}
-	}
-
-	// Try OpenGL ES.
+	// Try OpenGL ES first. Some machines like Android and Raspberry Pi might work only with OpenGL ES.
 	for _, name := range []string{"libGLESv2.so", "libGLESv2.so.2", "libGLESv2.so.1", "libGLESv2.so.0"} {
 		lib, err := purego.Dlopen(name, purego.RTLD_LAZY|purego.RTLD_GLOBAL)
 		if err == nil {
@@ -75,6 +43,20 @@ func (c *defaultContext) init() error {
 		errors = append(errors, fmt.Sprintf("%s: %v", name, err))
 	}
 
+	// Try OpenGL next.
+	// Usually libGL.so or libGL.so.1 is used. libGL.so.2 might exist only on NetBSD.
+	// TODO: Should "libOpenGL.so.0" [1] and "libGLX.so.0" [2] be added? These were added as of GLFW 3.3.9.
+	// [1] https://github.com/glfw/glfw/commit/55aad3c37b67f17279378db52da0a3ab81bbf26d
+	// [2] https://github.com/glfw/glfw/commit/c18851f52ec9704eb06464058a600845ec1eada1
+	for _, name := range []string{"libGL.so", "libGL.so.2", "libGL.so.1", "libGL.so.0"} {
+		lib, err := purego.Dlopen(name, purego.RTLD_LAZY|purego.RTLD_GLOBAL)
+		if err == nil {
+			libGL = lib
+			return nil
+		}
+		errors = append(errors, fmt.Sprintf("%s: %v", name, err))
+	}
+
 	return fmt.Errorf("gl: failed to load libGL.so and libGLESv2.so: %s", strings.Join(errors, ", "))
 }