diff --git a/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java b/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java
index f34be070..2ba1575b 100644
--- a/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java
+++ b/src/main/java/net/fabricmc/loom/configuration/CompileConfiguration.java
@@ -149,8 +149,10 @@ public abstract class CompileConfiguration implements Runnable {
 
 		finalizedBy("eclipse", "genEclipseRuns");
 
-		// Add the "dev" jar to the "namedElements" configuration
-		getProject().artifacts(artifactHandler -> artifactHandler.add(Configurations.NAMED_ELEMENTS, getTasks().named("jar")));
+		if (!extension.disableObfuscation()) {
+			// Add the "dev" jar to the "namedElements" configuration
+			getProject().artifacts(artifactHandler -> artifactHandler.add(Configurations.NAMED_ELEMENTS, getTasks().named("jar")));
+		}
 
 		// Ensure that the encoding is set to UTF-8, no matter what the system default is
 		// this fixes some edge cases with special characters not displaying correctly
diff --git a/src/main/java/net/fabricmc/loom/configuration/LoomConfigurations.java b/src/main/java/net/fabricmc/loom/configuration/LoomConfigurations.java
index fad2cb1a..92b166e0 100644
--- a/src/main/java/net/fabricmc/loom/configuration/LoomConfigurations.java
+++ b/src/main/java/net/fabricmc/loom/configuration/LoomConfigurations.java
@@ -126,15 +126,15 @@ public abstract class LoomConfigurations implements Runnable {
 			});
 		});
 
-		registerNonTransitive(Constants.Configurations.MAPPING_CONSTANTS, Role.RESOLVABLE);
-
-		register(Constants.Configurations.NAMED_ELEMENTS, Role.CONSUMABLE).configure(configuration -> {
-			configuration.extendsFrom(getConfigurations().getByName(JavaPlugin.API_CONFIGURATION_NAME));
-		});
-
-		extendsFrom(JavaPlugin.COMPILE_ONLY_CONFIGURATION_NAME, Constants.Configurations.MAPPING_CONSTANTS);
-
 		if (!extension.disableObfuscation()) {
+			registerNonTransitive(Constants.Configurations.MAPPING_CONSTANTS, Role.RESOLVABLE);
+
+			register(Constants.Configurations.NAMED_ELEMENTS, Role.CONSUMABLE).configure(configuration -> {
+				configuration.extendsFrom(getConfigurations().getByName(JavaPlugin.API_CONFIGURATION_NAME));
+			});
+
+			extendsFrom(JavaPlugin.COMPILE_ONLY_CONFIGURATION_NAME, Constants.Configurations.MAPPING_CONSTANTS);
+
 			register(Constants.Configurations.MAPPINGS, Role.RESOLVABLE);
 			register(Constants.Configurations.MAPPINGS_FINAL, Role.RESOLVABLE);
 			extendsFrom(JavaPlugin.RUNTIME_CLASSPATH_CONFIGURATION_NAME, Constants.Configurations.MAPPINGS_FINAL);
diff --git a/src/main/java/net/fabricmc/loom/util/gradle/SourceSetHelper.java b/src/main/java/net/fabricmc/loom/util/gradle/SourceSetHelper.java
index fa5a66aa..8560a4e9 100644
--- a/src/main/java/net/fabricmc/loom/util/gradle/SourceSetHelper.java
+++ b/src/main/java/net/fabricmc/loom/util/gradle/SourceSetHelper.java
@@ -146,7 +146,9 @@ public final class SourceSetHelper {
 
 		// Add dev jars from dependency projects if the source set is "main".
 		if (forExport && SourceSet.MAIN_SOURCE_SET_NAME.equals(reference.sourceSet().getName()) && GradleUtils.isLoomCompanionProject(reference.project())) {
-			String configurationName = GradleUtils.isLoomProject(reference.project())
+			boolean isLoom = GradleUtils.isLoomProject(reference.project());
+			boolean isDebof = isLoom && LoomGradleExtension.get(reference.project()).disableObfuscation();
+			String configurationName = isLoom && !isDebof
 					? Constants.Configurations.NAMED_ELEMENTS : JavaPlugin.RUNTIME_ELEMENTS_CONFIGURATION_NAME;
 			final Configuration namedElements = reference.project().getConfigurations().getByName(configurationName);