diff --git a/Android.bp b/Android.bp
index 543e65601517..670860bb2c51 100644
--- a/Android.bp
+++ b/Android.bp
@@ -520,24 +520,22 @@ gensrcs {
     name: "framework-javastream-protos",
     depfile: true,
 
-    tool_files: ["tools/genprotos.sh"],
     tools: [
         "aprotoc",
         "protoc-gen-javastream",
         "soong_zip",
     ],
 
-    // TODO This should not be needed. If you set a custom OUT_DIR or OUT_DIR_COMMON_BASE you can
-    // end up with a command that is extremely long, potentially going passed MAX_ARG_STRLEN due to
-    // the way sbox rewrites the command. See b/70221552.
-    cmd: "$(location tools/genprotos.sh) " +
-        " $(location aprotoc) " +
-        " $(location protoc-gen-javastream) " +
-        " $(location soong_zip) " +
-        " $(genDir) " +
-        " $(depfile) " +
-        " $(in) " +
-        " $(out)",
+    cmd: "mkdir -p $(genDir)/$(in) " +
+        "&& $(location aprotoc) " +
+        "  --plugin=$(location protoc-gen-javastream) " +
+        "  --dependency_out=$(depfile) " +
+        "  --javastream_out=$(genDir)/$(in) " +
+        "  -Iexternal/protobuf/src " +
+        "  -I . " +
+        "  $(in) " +
+        "&& $(location soong_zip) -jar -o $(out) -C $(genDir)/$(in) -D $(genDir)/$(in)",
+
     srcs: [
         "core/proto/**/*.proto",
         "libs/incident/**/*.proto",
diff --git a/tools/genprotos.sh b/tools/genprotos.sh
deleted file mode 100755
index f901c9f588b6..000000000000
--- a/tools/genprotos.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#!/bin/bash
-
-# TODO This should not be needed. If you set a custom OUT_DIR or OUT_DIR_COMMON_BASE you can
-# end up with a command that is extremely long, potentially going passed MAX_ARG_STRLEN due to
-# the way sbox rewrites the command. See b/70221552.
-
-set -e
-
-location_aprotoc=$1
-location_protoc=$2
-location_soong_zip=$3
-genDir=$4
-depfile=$5
-in=$6
-out=$7
-
-mkdir -p ${genDir}/${in} && \
-  ${location_aprotoc} --plugin=${location_protoc} \
-                      --dependency_out=${depfile} \
-                      --javastream_out=${genDir}/${in} \
-                      -Iexternal/protobuf/src \
-                      -I . \
-                      ${in} && \
-  ${location_soong_zip} -jar -o ${out} -C ${genDir}/${in} -D ${genDir}/${in}