diff --git a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSBuildTransformer.scala b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSBuildTransformer.scala
index 92ed5e05..d28da7b9 100644
--- a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSBuildTransformer.scala
+++ b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSBuildTransformer.scala
@@ -87,7 +87,8 @@ object TSBuildTransformer {
       ignoreUnusedFieldsWarnings = tsOptions.ignoreUnusedFieldsWarnings.getOrElse(ralphOptions.ignoreUnusedFieldsWarnings),
       ignoreUnusedPrivateFunctionsWarnings = tsOptions.ignoreUnusedPrivateFunctionsWarnings.getOrElse(ralphOptions.ignoreUnusedPrivateFunctionsWarnings),
       ignoreUpdateFieldsCheckWarnings = tsOptions.ignoreUpdateFieldsCheckWarnings.getOrElse(ralphOptions.ignoreUpdateFieldsCheckWarnings),
-      ignoreCheckExternalCallerWarnings = tsOptions.ignoreCheckExternalCallerWarnings.getOrElse(ralphOptions.ignoreCheckExternalCallerWarnings)
+      ignoreCheckExternalCallerWarnings = tsOptions.ignoreCheckExternalCallerWarnings.getOrElse(ralphOptions.ignoreCheckExternalCallerWarnings),
+      ignoreUnusedFunctionReturnWarnings = tsOptions.ignoreUnusedFunctionReturnWarnings.getOrElse(ralphOptions.ignoreUnusedFunctionReturnWarnings)
     )
 
   /**
@@ -115,6 +116,7 @@ object TSBuildTransformer {
       "ignoreUnusedPrivateFunctionsWarnings",
       "ignoreUpdateFieldsCheckWarnings",
       "ignoreCheckExternalCallerWarnings",
+      "ignoreUnusedFunctionReturnWarnings",
       "errorOnWarnings"
     )
 
@@ -188,6 +190,7 @@ object TSBuildTransformer {
             ignoreUnusedPrivateFunctionsWarnings = parseBooleanOption(optionsMap.get("ignoreUnusedPrivateFunctionsWarnings")),
             ignoreUpdateFieldsCheckWarnings = parseBooleanOption(optionsMap.get("ignoreUpdateFieldsCheckWarnings")),
             ignoreCheckExternalCallerWarnings = parseBooleanOption(optionsMap.get("ignoreCheckExternalCallerWarnings")),
+            ignoreUnusedFunctionReturnWarnings = parseBooleanOption(optionsMap.get("ignoreUnusedFunctionReturnWarnings")),
             errorOnWarnings = parseBooleanOption(optionsMap.get("errorOnWarnings"))
           )
       }
diff --git a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSConfig.scala b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSConfig.scala
index 39920a51..d1524176 100644
--- a/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSConfig.scala
+++ b/presentation-compiler/src/main/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TSConfig.scala
@@ -36,6 +36,7 @@ object TSConfig {
       ignoreUnusedPrivateFunctionsWarnings: Option[Boolean],
       ignoreUpdateFieldsCheckWarnings: Option[Boolean],
       ignoreCheckExternalCallerWarnings: Option[Boolean],
+      ignoreUnusedFunctionReturnWarnings: Option[Boolean],
       errorOnWarnings: Option[Boolean] = None)
 
   object CompilerOptions {
diff --git a/presentation-compiler/src/test/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TestTSBuildFile.scala b/presentation-compiler/src/test/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TestTSBuildFile.scala
index 2496c6dc..d8fbbd0b 100644
--- a/presentation-compiler/src/test/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TestTSBuildFile.scala
+++ b/presentation-compiler/src/test/scala/org/alephium/ralph/lsp/pc/workspace/build/typescript/TestTSBuildFile.scala
@@ -29,6 +29,7 @@ object TestTSBuildFile {
       ignoreUnusedPrivateFunctionsWarnings <- Gen.option(arbitrary[Boolean])
       ignoreUpdateFieldsCheckWarnings      <- Gen.option(arbitrary[Boolean])
       ignoreCheckExternalCallerWarnings    <- Gen.option(arbitrary[Boolean])
+      ignoreUnusedFunctionReturnWarnings   <- Gen.option(arbitrary[Boolean])
       errorOnWarnings                      <- Gen.option(arbitrary[Boolean])
     } yield TSConfig.CompilerOptions(
       ignoreUnusedConstantsWarnings,
@@ -37,6 +38,7 @@ object TestTSBuildFile {
       ignoreUnusedPrivateFunctionsWarnings,
       ignoreUpdateFieldsCheckWarnings,
       ignoreCheckExternalCallerWarnings,
+      ignoreUnusedFunctionReturnWarnings,
       errorOnWarnings
     )
 
@@ -78,6 +80,7 @@ object TestTSBuildFile {
         |  ${printOption("ignoreUnusedPrivateFunctionsWarnings", compilerOptions.ignoreUnusedPrivateFunctionsWarnings)}
         |  ${printOption("ignoreUpdateFieldsCheckWarnings", compilerOptions.ignoreUpdateFieldsCheckWarnings)}
         |  ${printOption("ignoreCheckExternalCallerWarnings", compilerOptions.ignoreCheckExternalCallerWarnings)}
+        |  ${printOption("ignoreUnusedFunctionReturnWarnings", compilerOptions.ignoreUnusedFunctionReturnWarnings)}
         |  ${printOption("errorOnWarnings", compilerOptions.errorOnWarnings)}
         |}""".stripMargin
     }